Space News Roundup: July 2025

From Interstellar Visitors to Satellite Milestones, the Cosmos is Buzzing with Discovery and Debate

U.S. and Russian Military Satellites: Tensions and Technology

U.S. Aircraft Carrier Monitored by Satellite Near Iran

A new satellite image from ESA’s Sentinel-2 has confirmed the presence of the USS Carl Vinson aircraft carrier in the Arabian Sea, close to Iran. This visual evidence underscores the persistent strategic readiness of the U.S. Navy in a region fraught with geopolitical tension. Open-source analyst MT Anderson remarked, “New satellite imagery from June 28, 2025, confirms their presence… a strong reminder that even when quiet, these global assets are always on mission.”

Recap:
– Satellite imagery is a critical tool for open-source intelligence and military transparency.
– The U.S. maintains a visible deterrent posture in the Middle East, leveraging both sea and space assets.

Russian ‘Satellite-Killer’ Raises Alarms

Multiple sources confirm that the Russian satellite Kosmos-2558 has maneuvered close to the U.S. reconnaissance satellite USA-326, sparking concern among Western analysts. Experts suggest Kosmos-2558 is a “satellite inspector”—a spacecraft capable of changing orbits, observing, and potentially interfering with other satellites. The Pentagon has expressed unease over Russia’s deployment of such secretive orbital systems, especially as a sub-satellite, ‘Object C’, separated from Kosmos-2558, demonstrating high maneuverability and possible anti-satellite capabilities.

– Read more on FedPress
– Further analysis on URA News
– Coverage on News.ru
– Sila-RF report

Implications:
– The era of “satellite-killers” and orbital maneuver warfare is no longer theoretical.
– U.S. and allied space assets are increasingly vulnerable to close-proximity operations by adversaries.

Satellite Technology: Launches, Failures, and Innovations

Europe’s Meteorological Leap: MTG-S1 and Sentinel-4

Europe has launched its first geostationary atmospheric sounding satellite, MTG-S1, as part of the Meteosat Third Generation program. The satellite, equipped with a hyperspectral infrared sounder and the Copernicus Sentinel-4 for air quality monitoring, promises to revolutionize weather forecasting and environmental monitoring across Europe and North Africa.

– Launch details on ASDNews
– Spaceflight Now live coverage
– Technical overview on Taibo.cn
– WMO statement

Key Features:
– Hourly atmospheric updates and real-time air pollution monitoring.
– 9-12 month commissioning phase before full operational status.
– Expected to save lives and support global meteorological cooperation.

FireSat: Global Wildfire Detection Every 20 Minutes

The FireSat constellation, developed by Muon Space and Earth Fire Alliance, aims to close a critical data gap in fire monitoring. Scanning the Earth every 20 minutes, FireSat uses multi-spectrum sensors to detect wildfires before they escalate.

– News coverage on Mes7at
– Youm7 report

Impact:
– Early detection is crucial for disaster response and mitigation.
– The constellation is expected to expand to over 50 satellites by 2030.

AI and Hyperspectral Satellites Combat Harmful Algae

In Finland, Kuva Space and the Finnish Environment Institute are piloting AI-powered hyperspectral satellite monitoring to rapidly and precisely identify harmful algae blooms. This technology supports better environmental management and public health by enabling authorities to respond quickly to toxic outbreaks.

MethaneSAT: A Cautionary Tale in Climate Monitoring

The Loss of a $88 Million Climate Sentinel

MethaneSAT, a satellite funded by the Environmental Defense Fund (EDF), Jeff Bezos, Google, and SpaceX, was designed to provide unprecedented transparency in tracking methane emissions—a greenhouse gas 80 times more potent than CO₂ over 20 years. Launched in March 2024, MethaneSAT lost contact after just 15 months, a blow to global climate monitoring efforts.

Key Developments:
– Early reports of loss
– EDF statement and technical background
– Scientific impact
– Media coverage
– EDF’s perspective
– The Energy Mix analysis
– Yahoo Finance video

Why It Matters:
– MethaneSAT was uniquely positioned to detect fine methane leaks from oil, gas, and agriculture.
– Its failure leaves a significant gap in global emissions monitoring and climate policy verification.
– Data already collected will continue to be analyzed, but the loss highlights the vulnerability and complexity of space-based environmental monitoring.

Starlink: Growth, Risks, and Record-Breaking Performance

Starlink’s Massive Deorbit and Environmental Concerns

Between December 2024 and May 2025, over 470 Starlink satellites were intentionally deorbited and burned up in Earth’s atmosphere, marking the first large-scale retirement of the SpaceX fleet. With the Starlink network now exceeding 8,000 satellites, scientists warn of potential environmental impacts from metals and chemicals released during re-entry.

– Futurezone report
– CNET analysis

Environmental Outlook:
– SpaceX claims the risk to humans is minimal and that their satellites exceed safety standards.
– NASA-backed studies highlight increased threats from solar activity, which accelerates satellite reentry and raises debris risks (Notebookcheck).

Starlink Sets New Speed Records

Starlink’s in-flight internet now boasts a median download speed of 152 Mbps, surpassing most ground-based providers and leaving rivals like Hughes and Viasat behind. With a signal latency 15 times lower than competitors, Starlink enables seamless 4K streaming and cloud work for passengers.

– MoneyTimes report

Starlink on Trains: Czech Railways Pilot

Czech Railways are testing Starlink satellite internet on InterPanter trains, aiming to solve signal dropouts on busy routes. The three-month trial, in partnership with SpaceX and Škoda, offers passengers high-speed, low-latency internet for free.

– Read more

SpaceX: Milestones, Controversies, and Legislative Wins

500th Falcon 9 Launch: Reliability and Reusability

SpaceX has achieved its 500th Falcon 9 launch, underscoring the reliability and efficiency of its reusable rocket. The milestone mission deployed Starlink satellites, with the booster landing successfully. Falcon 9’s reliability now exceeds 99%, reinforcing its status as a leading launch vehicle.

Legislative Wins in Texas

Elon Musk secured major legislative victories in Texas, including laws that benefit SpaceX operations. These include new protections against drone interference and changes to public access near SpaceX’s launch site, enabling Musk to launch rockets on his schedule.

– KUT report

Lawsuit Alleges Discrimination at SpaceX

A former SpaceX technician has filed a lawsuit alleging racial discrimination and retaliation after being fired for tardiness while caring for his daughter post-heart transplant. The complaint claims white colleagues received preferential treatment.

– Times of India coverage
– Daily Beast report

The Satellite Economy: Growth, ETFs, and Market Shifts

Satellite ETFs Surge Amid Industry Boom

China’s satellite internet and commercial space sectors are booming, with the Satellite ETF (159206) up over 2% and Shaanxi Huada rising more than 14%. Key drivers include a space arms race, reusable rockets, and rising IoT demand.

– Finance Sina report
– Further ETF analysis
– ETF midday performance
– ETF scale update

Asia-Pacific Satellite Shares Drop

In contrast, Asia-Pacific Satellite (1045.HK) shares fell over 7% after issuing a profit warning, citing oversupply of satellite transponder capacity, intense market competition, falling prices, and rising leasing costs.

– Finance Sina coverage

Open Cosmos Expands with Portuguese Acquisition

UK-based Open Cosmos has acquired Portuguese aerospace startup Connected, integrating its team and planning a new factory in Coimbra. The company aims to launch three Portuguese satellites and invest €50 million in Portugal within three years.

– Eco Sapo interview

Celestial Events: Novae, Interstellar Visitors, and Night Sky Highlights

Dual Novae: A Once-in-a-Generation Event

Two novae, V462 Lupi and V572 Velorum, are currently visible to the naked eye in the southern sky—a phenomenon last recorded in 1936. Novae occur when a white dwarf star explodes after accreting matter from a companion.

– Daily Galaxy report
– How to spot V462 Lupi from Michigan

Interstellar Objects: 3I/ATLAS and A11pl3Z

Astronomers have confirmed the discovery of 3I/ATLAS, the third known interstellar object to enter our Solar System, moving at a record speed of 60 km/s. Detected by the ATLAS telescope, it is likely a comet with a short tail.

– ABC Australia coverage
– ScienceAlert confirmation
– NASA blog
– Yahoo News on A11pl3Z
– Hindustan Times summary
– CA News Yahoo

Scientific Significance:
– These objects offer rare opportunities to study material from beyond our solar system.
– Their high velocities and unusual trajectories challenge existing models of solar system dynamics.

Night Sky Events: July 2025

July offers astronomy enthusiasts a chance to witness the moon align with Saturn and Neptune on July 16, and a crescent moon near the Pleiades star cluster on July 20. Saturn is visible to the naked eye, while Neptune requires a telescope.

– National Geographic guide
– NMT.edu July sky highlights

Other Celestial Events:
– Mercury reaches greatest elongation July 3.
– Venus, Jupiter, Saturn, and Mars offer spectacular morning and evening views.
– Earth reaches aphelion July 3.

Aurora Borealis: Northern Lights Forecast

The National Oceanic and Atmospheric Administration (NOAA) forecasts increased auroral activity, making the northern lights visible in 10 U.S. states. The heightened activity is due to the ongoing solar maximum.

– Forbes forecast
– CNET viewing guide

Martian Meteorite NWA 16788: A Record-Breaking Auction

The largest Martian meteorite ever found on Earth, NWA 16788, weighing 54 pounds (24.5 kg), is set for auction at Sotheby’s in New York. Expected to fetch $2–$4 million, this rare meteorite is about 70% larger than any other Martian meteorite discovered and represents nearly 7% of all Martian material found on Earth.

– MK coverage
– FAD Magazine preview
– CNN report
– Forbes auction analysis
– Independent feature
– Artnet news

Scientific Value:
– Offers rare insights into Martian geology and planetary formation.
– Only about 400 Martian meteorites have been found on Earth.

The Vera C. Rubin Observatory: Astronomy’s Digital Revolution

First Images and the Promise of a New Era

The Vera C. Rubin Observatory in Chile has begun scanning the sky, unveiling the most detailed map of the universe ever. Its 8.4-meter mirror and 3,200-megapixel camera will generate hundreds of petabytes of data over a decade, revolutionizing how astronomers study dark matter, dark energy, and galaxy evolution.

– VCU News: Artistic collaboration
– Observer UK: Observatory overview
– Popular Mechanics: First images
– Economist: Data revolution
– LiveScience: Trifid Nebula image

Impact:
– Will discover millions of new celestial objects.
– Enables rapid, wide-field surveys of the night sky.
– Integrates art and science, making astronomy accessible to a broader audience.

Space Science: Mars, Supernovae, and Dark Matter

Mars: Why the Red Planet Grew Cold and Dry

Recent discoveries by NASA’s Curiosity and Perseverance rovers of carbonate minerals in Mars’ sedimentary rocks provide key evidence for how the planet lost its atmosphere and became cold and dry. Scientists now believe Mars’ carbon dioxide was locked away in rocks, drastically altering its climate over 3.5 billion years.

– Yahoo UK News
– Nature study
– Space.com analysis

Supernovae: Helium’s Role in Type Ia Explosions

Astrophysicists have explored how helium in the spectra of double detonation models impacts the classification and understanding of Type Ia supernovae. This research refines our knowledge of supernova formation mechanisms, challenging the notion of SNe Ia as uniform “standard candles.”

– Astrobites summary

Mapping Dark Matter in the Bullet Cluster

NASA’s James Webb Space Telescope and Chandra X-ray Observatory have created the most detailed map yet of dark matter in the Bullet Cluster. By combining near-infrared and X-ray data, researchers precisely measured mass and pinpointed the position of invisible particles.

– Petapixel report
– Earth.com coverage

Satellite Connectivity: Saving Lives and Expanding Access

iPhone Satellite SOS: Multiple Rescues in Colorado

A series of incidents in Colorado highlight the life-saving potential of satellite messaging features in modern smartphones. Injured climbers and hikers, stranded without cellular coverage, were able to summon help using the iPhone’s Emergency SOS via satellite.

– Letem Svetem Applem (PT)
– Letem Svetem Applem (RU)
– Letem Svetem Applem (FR)
– O Globo report
– Mac4Ever feature

Broader Impact:
– Satellite connectivity is transforming emergency communications in remote areas.
– Apple, Huawei, and others are integrating such technology for enhanced safety and connectivity.

NASA Partners with Netflix for Live Space Programming

NASA has partnered with Netflix to stream live space events—including rocket launches and ISS footage—through the upgraded NASA+ platform. This initiative leverages Netflix’s global audience, enhancing public access to real-time space exploration content.

– Trendhunter coverage

Space Policy and International Cooperation

Moon Mining: The Need for Global Rules

With companies like ispace partnering with NASA to collect lunar regolith, moon mining is becoming feasible. However, legal frameworks such as the Outer Space Treaty (1967) are outdated and unclear on resource exploitation, highlighting the urgent need for global rules to govern space resource extraction.

– The Conversation analysis

UN Calls for Enhanced Global Space Cooperation

UN Deputy Secretary-General Amina Mohammed emphasized the foundational role of space technology in daily life and disaster response. She called for international cooperation to ensure space benefits reach every community, supporting sustainable development through inclusive access and capacity-building.

– UN News statement

Science Highlights: Satellites, Oceans, and Exoplanets

Satellites Reveal Ocean Carbon Absorption

Satellites now provide unprecedented detail on how oceans absorb and release carbon dioxide. The new OceanSODA-ETHZ product offers eight-day, 25-kilometer resolution maps, revealing dramatic short-term swings in ocean carbon dynamics.

– Earth.com report

CubeSat BABAR-ERI: Revolutionizing Cloud and Radiation Studies

A new CubeSat, BABAR-ERI, developed by LASP at the University of Colorado Boulder, aims to provide unprecedented precision in measuring Earth’s energy balance and cloud behavior.

– La Republica feature

‘Death Wish’ Exoplanet Detected

Astronomers have detected HIP 67522 b, the first known ‘death wish’ exoplanet, which is rapidly losing its atmosphere due to intense flares from its host star. This is a completely new phenomenon, observed using ESA’s CHEOPS and NASA’s James Webb and TESS.

– Popular Science article

Space Heritage and Politics

Space Shuttle Discovery: Smithsonian vs. Texas

Texas Senators John Cornyn and Ted Cruz are pushing legislation to relocate the Space Shuttle Discovery from the Smithsonian’s Udvar-Hazy Center to Houston’s Space Center. The Smithsonian opposes the move, with the relocation potentially costing up to $400 million.

– NBC Washington coverage
– USA Today report

NASA Reuses Shuttle RS-25 Engines for Artemis 2

NASA’s SLS rocket, powered by four RS-25 engines—three of which flew 22 Space Shuttle missions—has passed key tests for Artemis 2, the first crewed lunar mission in 50 years.

– Gizmodo feature

Senate Approves Funding for Artemis, Rejects Musk’s Criticism

The Senate passed a bill allocating an extra $6 billion to NASA’s Artemis Moon program, supporting legacy systems like SLS, Orion, and Gateway, and rebuffing criticism from SpaceX CEO Elon Musk.

– Gizmodo report

Outlook: The Next Frontiers

The Future of Satellite Operations

– China is preparing for a historic satellite docking and refueling mission in geostationary orbit, which could extend satellite lifespans and reduce space debris (Tema.in.ua).
– Japan has retired its H2A rocket after 50 launches, making way for the more capable H3 rocket (CCTV News).
– Egypt will launch two satellites in 2025, including a nanosatellite for climate change and a joint African Development Satellite (Youm7).

The Expanding Role of Satellites in Society

– Disaster response, environmental monitoring, and connectivity are increasingly dependent on satellite infrastructure.
– Market volatility in satellite communications reflects both technological breakthroughs and competitive pressures.
– International cooperation and legal frameworks are lagging behind the pace of commercial and technological change.

Conclusion

July 2025 has been a month of remarkable progress and sobering setbacks in space science and technology. From the loss of MethaneSAT to the launch of Europe’s MTG-S1, from the detection of interstellar visitors to the expansion of satellite internet, the cosmos continues to challenge, inspire, and connect humanity. As the boundaries of exploration and innovation expand, so too does the need for robust international cooperation, sustainable practices, and inclusive access to the benefits of space.

For further reading and source details, follow the embedded links throughout this article.

More today’s sources

Satellite Image Confirms USS Carl Vinson Carrier Near Iran Amid Regional Tensions

A new satellite image from ESA’s Sentinel-2 confirms the USS Carl Vinson aircraft carrier near Iran in the Arabian Sea, highlighting U.S. naval presence and strategic readiness. Open-source analyst MT Anderson noted, “New satellite imagery from June 28, 2025, confirms their presence… a strong reminder that even when quiet, these global assets are always on mission.”

Continue reading on newsweek.com

MTG-S1: Europe’s First Geostationary Atmospheric Sounding Satellite Launched

The MTG-S1 satellite, part of the Meteosat Third Generation program, was launched to enhance Europe’s weather prediction. It features a hyperspectral infrared sounder and the Copernicus Sentinel-4 for air quality monitoring. “The Meteosat Third Generation constellation will profoundly transform weather forecasting capabilities,” said Bertrand Denis of Thales Alenia Space.

Continue reading on asdnews.com

Russian Kosmos-2558 Satellite Raises Western Concerns Over Proximity to US Spy Satellite

The Russian satellite Kosmos-2558 has approached the US reconnaissance satellite USA-326, alarming Western analysts. Experts suggest it may be a satellite inspector with potential for interference or kinetic action. Bart Hendricks notes, “Inspector satellites can change orbit, observe, diagnose, and repair other satellites.” The Pentagon is concerned about Russia’s use of secret orbital systems.

Continue reading on fedpress.ru

Rare Dual Novae Visible to Naked Eye in Southern Sky: A Once-in-a-Generation Event

Two novae, V462 Lupi and V572 Velorum, are currently visible to the naked eye in the southern sky—a phenomenon last recorded in 1936. Novae occur when a white dwarf star explodes after accreting matter from a companion. Astronomer Stephen O’Meara calls this “an extremely rare event, if not a historical one.”

Continue reading on dailygalaxy.com

Largest Martian Meteorite on Earth to Be Auctioned for Up to $4 Million

The largest Martian meteorite ever found on Earth, ‘NWA 16788’, weighing 24.5 kg, will be auctioned by Sotheby’s in New York. Expected to fetch up to $4 million, this rare meteorite is about 70% larger than any other Martian meteorite discovered. Only about 400 Martian meteorites have been found on Earth.

Continue reading on mk.co.kr

AI and Hyperspectral Satellites Enhance Harmful Algae Detection in Finland

Finnish company Kuva Space and the Finnish Environment Institute are piloting AI-powered hyperspectral satellite monitoring to improve detection of harmful algae blooms (HABs) in Finland’s waters. This approach enables rapid, precise identification of toxic species, supporting better environmental management. “We can… take a step further in identifying which algae species are present,” said researcher Jenni Attila.

Continue reading on thefishsite.com

Secret Russian Anti-Satellite ‘Killer Satellite’ Detected in Space

A Russian satellite, Kosmos-2558, believed to be an anti-satellite weapon, was detected near the US spy satellite USA-326. Experts suggest its sub-satellite, ‘Object C’, may carry high-speed anti-satellite arms. The Pentagon confirmed Russian satellites are matching US orbits. Brig. Gen. Pat Ryder stated, “The US continues to closely monitor Russian actions in space.”

Continue reading on ura.news

NASA Partners with Netflix to Stream Live Space Programming via NASA+

NASA collaborates with Netflix to stream live space events—including rocket launches and ISS footage—through the upgraded NASA+ platform. This initiative leverages Netflix’s vast global audience, enhancing public access to real-time space exploration content and supporting NASA’s mission to widely share space knowledge.

Continue reading on trendhunter.com

Moon Mining Nears Reality: The Need for Global Space Resource Rules

Moon mining is becoming feasible, with companies like ispace partnering with NASA to collect lunar regolith. However, legal frameworks such as the Outer Space Treaty (1967) are outdated and unclear on resource exploitation, highlighting the urgent need for global rules to govern space resource extraction as commercial activity accelerates.

Continue reading on theconversation.com

iPhone Satellite Connection Saves Climber’s Life in Colorado

A 53-year-old climber was rescued in Colorado after using his iPhone’s satellite messaging feature when injured in a remote area with no cell signal. The SOS via satellite function enabled contact with rescuers. Authorities emphasized: “Having a communication device and knowing how to use satellite messaging is essential. This can significantly speed up rescue.”

Continue reading on letemsvetemapplem.eu

Hundreds of Starlink Satellites Burn Up in Earth’s Atmosphere in Six Months

Over 470 Starlink satellites re-entered and burned up in Earth’s atmosphere between December 2024 and May 2025, according to a Federal Communications Commission report. SpaceX’s Starlink network now exceeds 8,000 satellites. Experts warn of possible environmental impacts from debris and chemicals released during re-entry.

Continue reading on futurezone.at

Mysterious Mega Signal Detected from Defunct NASA Satellite Relay 2

Astronomers detected a powerful radio burst from NASA’s long-defunct Relay 2 satellite, launched in 1964. The signal, over 3,000 times stronger than anything else in the sky, puzzled researchers. “It is exactly the same as getting a static shock from a friend,” explained radio astronomer Clancy James, suggesting a massive static discharge as the cause.

Continue reading on rtl.de

Jeff Bezos’ MethaneSAT Satellite Lost in Space During Climate Mission

The MethaneSAT satellite, backed by Jeff Bezos and launched in March 2024 to monitor global methane emissions, has gone missing after losing contact with ground controllers. Early data revealed alarming underreported emissions. New Zealand Space Agency’s Andrew Johnson stated: “It’s a disappointing event, but also shows how complex and vulnerable this technology is.”

Continue reading on vandal.elespanol.com

Webb and Chandra Map Dark Matter in Bullet Cluster with Unprecedented Precision

NASA’s James Webb Space Telescope and Chandra X-ray Observatory have created the most detailed map yet of dark matter in the Bullet Cluster. By combining near-infrared and X-ray data, researchers precisely measured mass and pinpointed the position of invisible particles. “Webb’s images dramatically improve what we can measure in this scene,” said Kyle Finner of Caltech.

Continue reading on petapixel.com

New FireSat Satellite Monitors Earth Every 20 Minutes to Detect Wildfires Early

A new satellite, FireSat, scans Earth every 20 minutes using multi-spectrum sensors to detect wildfires before they start. The constellation, developed by Muon Space and Earth Fire Alliance, aims for over 50 satellites by 2030. CEO Jonny Dyer said, ‘This system will close a critical data gap in fire monitoring from space.’

Continue reading on news.mes7at.com

Texas Senators Propose Moving Space Shuttle Discovery from Smithsonian to Houston

Texas Senators John Cornyn and Ted Cruz are pushing legislation to relocate the Space Shuttle Discovery from the Smithsonian’s Udvar-Hazy Center to Houston’s Space Center. The Smithsonian opposes the move, with Director Chris Browne stating, “It is beyond the reach of others that would want to sort of pick from it.” The relocation could cost up to $400 million.

Continue reading on nbcwashington.com

SpaceX Launches EUMETSAT MTG-S1 and ESA Sentinel-4 Satellites for Advanced Weather and Air Quality Monitoring

SpaceX’s Falcon 9 launched the MTG-S1 satellite for EUMETSAT and ESA, enhancing weather monitoring and air quality assessments over Europe and North Africa. The satellite will enter geostationary orbit, with a 9-12 month commissioning phase. ESA’s James Champion stated: “We can’t wait to get it up there and start operating it.”

Continue reading on spaceflightnow.com

MethaneSAT Satellite Lost Prematurely, Impacting Climate Research

The €74.5 million MethaneSAT satellite, vital for tracking methane emissions, has been lost just 15 months into its 5-year mission. MethaneSAT was designed to detect fine methane leaks, crucial for climate research. “Pour Steven Hamburg, responsable scientifique de l’EDF, c’est un coup dur.” The cause of the failure remains unknown.

Continue reading on media24.fr

Muon Space Launches FireSat Satellite for 20-Minute Global Wildfire Detection

Muon Space has launched the FireSat Protoflight satellite, which scans the Earth every 20 minutes to detect early wildfire signs using advanced infrared sensors. The constellation, expanding to 50+ satellites by 2030, aims to revolutionize disaster response. Dr. Dan MacLeese said this is a “quantum leap in thermal remote sensing.”

Continue reading on youm7.com

July 2024 Night Sky Events: Buck Moon, Saturn, Neptune, and Pleiades

July offers astronomy enthusiasts a chance to witness the moon align with Saturn and Neptune on July 16, and a crescent moon near the Pleiades star cluster on July 20. Saturn is visible to the naked eye, while Neptune requires a telescope. These events provide unique opportunities for stargazing and celestial observation.

Continue reading on nationalgeographic.com

Meteor Lights Up Scotland’s Night Sky with Bright Streak and Loud Bang

A meteor was spotted over Scotland, producing a bright orange light and a loud bang. Witnesses across the country, including the Isle of Lewis, Stirling, Glasgow, and Argyll and Bute, reported the event. Meteors create spectacular displays as they burn up in Earth’s atmosphere.

Continue reading on bbc.com

MethaneSAT Lost: Bezos-Backed Climate Satellite Falls Silent After One Year

The $88 million MethaneSAT, designed to monitor global methane emissions from oil and gas facilities, lost contact with Earth after just one year in orbit. Launched by SpaceX in March 2024, the satellite was considered a breakthrough in climate monitoring. EDF’s Steven Hamburg stated the collected data is still ‘great’ despite the loss.

Continue reading on winfuture.de

MethaneSAT Satellite Fails in Orbit, Halting Methane Emissions Tracking

The $100 million MethaneSAT satellite, designed to monitor methane emissions from space, has lost power and is “likely not recoverable,” according to the Environmental Defense Fund. Its failure is a major setback for climate monitoring. “MethaneSAT was uniquely positioned. It was in a special in-between zone,” said Jason McKeever of GHGSat.

Continue reading on newscientist.com

iPhone Satellite Connectivity Saves Climber’s Life in Colorado

A 53-year-old climber in Colorado was rescued after injuring his wrist, thanks to the iPhone’s satellite connectivity. Unable to get a mobile signal, he used satellite messaging to alert rescuers. Authorities emphasized: “Having a means of communication and knowing how to use satellite messaging is extremely important.” Modern tech proves vital in remote rescues.

Continue reading on letemsvetemapplem.eu

Russian ‘Kosmos-2558’ Satellite Spotted Near US Spy Satellite

A Russian military satellite, Kosmos-2558, was detected near the US spy satellite USA-326, raising concerns about its potential as a ‘satellite killer’. Experts suggest it could track and possibly disable enemy satellites. A smaller object, Object C, separated from Kosmos-2558, showing high maneuverability and possible anti-satellite capabilities.

Continue reading on news.ru

Open Cosmos Acquires Portuguese Space Startup Connected, Plans Satellite Expansion

UK-based Open Cosmos has acquired Portuguese aerospace startup Connected, integrating its team and planning a new factory in Coimbra. Open Cosmos aims to launch three Portuguese satellites and invest €50 million in Portugal within three years. “More than an exit, we see this as a scaleup,” said Tiago Rebelo, Connected cofounder.

Continue reading on eco.sapo.pt

MethaneSAT Satellite Lost Contact After 15 Months in Orbit

The $88 million MethaneSAT, launched in March 2024 to monitor global methane emissions, has lost contact after 15 months. EDF stated the satellite likely suffered a power failure and is probably irrecoverable. MethaneSAT aimed to provide transparent data on methane hotspots, supporting climate policy and emission verification. “MethaneSAT aims to catalyze methane reduction through unprecedented transparency.”

Continue reading on finance.sina.cn

MethaneSAT, Satellite Funded by Jeff Bezos, Lost in Space

Engineers lost contact with MethaneSAT, an $88 million satellite funded by Jeff Bezos, designed to detect methane emissions. MethaneSAT was a key project for tracking global methane leaks. “We view this incident as a setback, not a failure,” said Amy Middleton, EDF executive. The satellite’s loss impacts climate monitoring efforts.

Continue reading on profit.ro

Nearly 500 Starlink Satellites Deorbited and Burned Up in Earth’s Atmosphere

SpaceX deorbited 472 Starlink satellites between Dec 2024 and May 2025, marking the first large-scale retirement of its fleet. Scientists warn about environmental impacts, as burning satellites release metals into the atmosphere. SpaceX claims the risk to humans is “less than 1 in 100 million” and that their satellites exceed industry safety standards.

Continue reading on cnet.com

SpaceX Marks 500th Falcon 9 Launch with Over 99% Reliability

SpaceX has achieved its 500th Falcon 9 launch, underscoring the reliability and efficiency of its reusable rocket. The milestone mission deployed Starlink satellites, with the booster landing successfully. According to public data, Falcon 9’s reliability exceeds 99%, reinforcing its status as a leading launch vehicle.

Continue reading on ixbt.com

MethaneSAT Satellite Fails After One Year in Orbit

The $88 million MethaneSAT, launched in March 2024 via SpaceX, lost power after just a year. Developed by EDF with support from Google and Bezos Earth Fund, it aimed to track methane emissions. EDF stated: “We will continue processing data already collected and publish additional imagery in coming months.”

Continue reading on ixbt.com

Hurricane Forecasters to Lose Access to Key DoD Satellite Data

Hurricane forecasters will soon lose access to high-resolution microwave satellite data from the Department of Defense, a critical tool for monitoring storm structure and intensity. While a more advanced satellite is promised, no timeline is set. “Without having that imagery, the satellite data, it may be a bit tougher to determine…are they strengthening?” said meteorologist Max Lagano.

Continue reading on kplctv.com

Satellite Messaging Enables Mountain Rescue in Colorado

A mountaineer was rescued in Colorado after using the iPhone’s satellite messaging feature to call for help without cellular signal. This incident highlights how satellite connectivity is transforming emergency communications in remote areas, with Apple, Huawei, and others integrating such technology into smartphones for enhanced safety and connectivity.

Continue reading on oglobo.globo.com

SpaceX Falcon 9 Launches European MTG-S1 Weather Satellite with Advanced Infrared Instrument

SpaceX’s Falcon 9 rocket successfully launched the European MTG-S1 weather satellite into geostationary transfer orbit. MTG-S1, built by OHB, is equipped with an infrared instrument for hourly atmospheric updates and the Sentinel-4 spectrometer for real-time air pollution monitoring. This marks a key advancement in Europe’s meteorological satellite program.

Continue reading on taibo.cn

NASA Satellites Detect Fires After Ukrainian Strikes on Crimea Air Defense Systems

NASA satellites recorded significant fire outbreaks in Crimea after Ukrainian forces attacked military targets, possibly including S-300 and S-400 air defense systems and radar stations. The fires were observed south of Kurortnoe, near the Azov Sea coast, confirming the presence of these systems in the area, as previously shown in local photos.

Continue reading on ukr.net

Satellite Images Reveal Damage to Russian Kupol Factory in Izhevsk After Drone Attack

Satellite images confirm severe damage to Russia’s Kupol factory in Izhevsk after a Ukrainian drone attack, with four UAV production workshops hit. The General Staff of Ukraine stated: “Confirmed direct hit on building No.1 at site No.1. A fire was recorded.” Kupol manufactures air defense systems and drones for the Russian military.

Continue reading on 24tv.ua

MethaneSAT Climate Satellite, Backed by Google, Lost in Space After One Year

The $88 million MethaneSAT, launched in March 2024 by SpaceX for the Environmental Defense Fund and backed by Google, failed after just over a year in orbit. MethaneSAT monitored global methane emissions from oil and gas production. EDF stated, “The satellite is no longer recoverable and has become space debris.”

Continue reading on focus.ua

Spectral Clues Reveal Helium’s Role in Double Detonation Type Ia Supernovae

Astrophysicists have explored how helium in the spectra of double detonation models impacts the classification and understanding of Type Ia supernovae. This research refines our knowledge of supernova formation mechanisms, challenging the notion of SNe Ia as uniform “standard candles” and highlighting the importance of spectral analysis in cosmic measurements.

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Webb Telescope Maps Dark Matter in Bullet Cluster Collision

The James Webb Space Telescope has produced the most precise map yet of dark matter in the Bullet Cluster, using gravitational lensing to reveal its distribution. “Webb’s observations show that dark matter still lines up with the galaxies – and was not dragged away,” said co-author Kyle Finner. This advances our understanding of dark matter’s role in cosmic collisions.

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MethaneSAT Satellite Fails Less Than 18 Months After Launch

The MethaneSAT satellite, launched in March 2024 to monitor methane emissions from oil, gas, and agriculture, has suffered a total failure. Experts praised its sensitive spectrometers, which detected previously invisible emissions. EDF stated, “Scientists will continue analyzing the collected data.” The loss is a major setback for global methane monitoring efforts.

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iPhone Satellite Connectivity Saves Climber in Colorado

An injured climber in Colorado was rescued after using the iPhone’s satellite connectivity to send an SOS when out of cellular range. The Pitkin County Sheriff’s Office advised, “It is essential to…know how to use satellite messaging. This can considerably speed up rescue operations.” Modern satellite technology proves vital in remote emergencies.

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Bahrain-UAE Joint Satellite ‘Light-1’ Successfully Launched

Bahrain and the UAE have successfully launched their first joint satellite, ‘Light-1’. The CEO of the National Bureau for Revenue, Rana Ibrahim Faqihi, congratulated the leadership and highlighted the achievement as a milestone for Bahrain’s scientific progress and regional cooperation.

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Vera C. Rubin Observatory Launches Unprecedented Cosmic Map with Artistic Collaboration

The Vera C. Rubin Observatory in Chile has begun scanning the sky, unveiling the most detailed map of the universe ever. VCU sculptor Michael Jones McKean, its artist-in-residence, integrates art with science through his ‘Twelve Earths’ project. McKean calls it ‘the most intense map that humans have ever imagined.’

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Astronomers Detect Potential Third Interstellar Object, A11pl3Z

Astronomers may have found a third interstellar object—A11pl3Z—using the ATLAS survey telescope. With an eccentricity of six, it’s likely from beyond our solar system. “It’s travelling too fast to be bound to the sun,” said Prof. Paul Weigert. Estimated at about 10 km across, it could be the largest interstellar visitor yet.

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Rare Nova V462 Lupi Visible from Michigan: How to Spot the Celestial Event

A rare nova, V462 Lupi, recently appeared in the Lupus constellation and was visible from Michigan’s Lake Superior area. This stellar explosion, first observed in June 2024, is a classical nova in a binary star system, according to NASA and Space.com. Astronomers highlight its rarity and brightness in the night sky.

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Minnesota Native Anil Menon Assigned to International Space Station Mission

NASA astronaut Anil Menon, a Minnesota native, will join the International Space Station as a flight engineer on Expedition 75, launching next summer. Menon and two Russian cosmonauts will spend eight months conducting scientific and technological experiments aboard the ISS, according to KARE 11.

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Mysterious Object Approaches Solar System, Baffling Scientists

A strange object has been spotted hurtling toward our solar system, leaving scientists baffled. The discovery raises questions about its origin and composition, with experts closely monitoring its trajectory. This event highlights the ongoing need for astronomical observation and research into interstellar phenomena.

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Satellite Industry ETF (159218) Rises 0.66% with Strong Midday Performance

The Satellite Industry ETF (159218) rose 0.66% at midday, with a turnover of 6.35 million yuan. Major holdings like China Satellite and China Satcom saw gains. The ETF tracks the CSI Satellite Industry Index and has delivered a 6.71% return since inception. Investors are reminded: ‘Market risk exists, invest cautiously.’

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Boeing Delivers Two New O3b mPOWER Satellites to SES

Boeing has delivered the O3b mPOWER F9 and F10 satellites to SES, expanding the operator’s MEO constellation to 10 units. These software-defined satellites offer high-speed, low-latency connectivity globally. Michelle Parker of Boeing said, “Our payload enables SES to deliver reliable, high-performance connectivity that intelligently adapts to user needs—a game-changer in the industry.”

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Interstellar Comet 3I/Atlas Discovered Passing Through Solar System

Astronomers have confirmed the discovery of 3I/Atlas, a rare interstellar comet passing through the solar system, first spotted by NASA’s ATLAS survey. Experts say, “It will fly deep through the Solar System, passing just inside the orbit of Mars,” and is not a threat to Earth. This is only the third recorded interstellar object.

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Russian ‘Satellite-Killer’ Kosmos-2558 Spotted Near US Spy Satellite USA-326

Russian military satellite Kosmos-2558 has been observed in close proximity to the US spy satellite USA-326, raising concerns about its potential as an anti-satellite weapon. US intelligence sources claim it can track and possibly disable other satellites. Russian officials deny posing any threat to space security.

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Vera C. Rubin Observatory Set to Revolutionize Astronomy

The Vera C. Rubin Observatory in Chile, featuring an 8.4-meter mirror and the world’s largest digital camera, has begun operations. Scientists expect it to transform astronomy by rapidly surveying the night sky and cataloguing countless celestial objects. “It will have an impact over almost all areas of astronomy,” says cosmologist Bob Mann.

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Satellite ETF (159206) Rises 0.89% with Half-Day Turnover of 26.02 Million Yuan

The Satellite ETF (159206) increased by 0.89% at midday, with a turnover of 26.02 million yuan. Major holdings include China Telecom, ZTE, and China Satellite. The ETF tracks the commercial satellite communications industry index. Investors are cautioned: ‘Market risk exists, investment should be prudent.’

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Largest Martian Meteorite NWA 16788 to Be Auctioned at Sotheby’s

Sotheby’s will auction NWA 16788, the largest Martian meteorite on Earth at 54 pounds, on July 16 in New York. Expected to fetch $2–$4 million, it’s “a discovery of extraordinary significance,” says Sotheby’s Cassandra Hatton. NWA 16788 represents 6.59% of all Martian meteorites ever found and offers rare insights into Martian geology.

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Astronomers Discover First ‘Death Wish’ Exoplanet Losing Atmosphere to Host Star

Astronomers have detected HIP 67522 b, the first known ‘death wish’ exoplanet, which is rapidly losing its atmosphere due to intense flares from its host star. Using ESA’s CHEOPS and NASA’s James Webb and TESS, researchers observed the planet shrinking annually. “This is a completely new phenomenon,” said ASTRON’s Ekaterina Ilin.

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Astronomers Discover Fastest Interstellar Comet 3I/ATLAS Entering Solar System

Astronomers have discovered 3I/ATLAS, the third known interstellar object to enter our Solar System, moving at a record speed of 60 km/s. Detected by the ATLAS telescope, it’s likely a comet with a short tail. Professor Jonti Horner called it “by far the fastest” interstellar object seen, offering astronomers months for observation.

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NASA Reuses Shuttle RS-25 Engines for Artemis 2 Moon Mission

NASA’s SLS rocket, powered by four RS-25 engines—three of which flew 22 Space Shuttle missions—has passed key tests for Artemis 2. These shuttle-era engines are now ready for the first crewed lunar mission in 50 years. Bill Muddle, RS-25 field engineer, said, “The engines all indicated they were healthy and ready for the pad.”

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Asia-Pacific Satellite Shares Drop Over 7% After Profit Warning

Asia-Pacific Satellite (1045.HK) shares fell over 7% after issuing a profit warning. The company expects H1 shareholder profit to drop by more than 20% due to oversupply of satellite transponder capacity, intense market competition, falling prices, and rising leasing costs, all impacting revenue.

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Elon Musk’s Legislative Wins for SpaceX at the Texas Capitol

Elon Musk secured major legislative victories in Texas, including laws that benefit SpaceX operations. These include new protections against drone interference and changes to public access near SpaceX’s launch site, enabling Musk to launch rockets on his schedule. Critics warn of increasing corporate influence over government decisions.

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Satellite Internet and Commercial Space Industry Surge: Focus on High-Purity Satellite ETFs

China’s satellite internet and commercial space sectors are booming, with Satellite ETF (159206) up 2.58%. Key drivers include a space arms race, reusable rockets, and rising IoT demand. Notably, T-Mobile and Starlink’s “T-Satellite” launches July 23, and China’s 5G NTN satellite phone test succeeded. Satellite communication is foundational for 6G.

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MethaneSAT Satellite Fails After 15 Months, Ending Pioneering Methane Monitoring Mission

The pioneering MethaneSAT satellite, launched to monitor global methane emissions, has shut down and is ‘likely not recoverable’ just 15 months into its five-year mission. MethaneSAT provided critical, open-access data on methane leaks, but its loss ‘leaves a gap in the ability to monitor emissions of a potent greenhouse gas,’ according to experts.

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Satellite ETF (159206) Surges Over 2% Amid Booming Satellite Internet and Commercial Space Sector

China’s satellite internet and commercial space sectors are surging, with the Satellite ETF (159206) up over 2% and Shaanxi Huada rising more than 14%. Key drivers include space race acceleration, rocket technology breakthroughs, and growing satellite IoT demand. Experts note, “Satellite communications are the technological foundation for 6G and the Internet of Everything.”

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CubeSat BABAR-ERI to Revolutionize Cloud and Radiation Studies on Earth

A new CubeSat, BABAR-ERI, developed by LASP at the University of Colorado Boulder, aims to provide unprecedented precision in measuring Earth’s energy balance and cloud behavior. Featuring advanced detector arrays and calibration systems, it promises to accelerate scientific discoveries about atmospheric radiation. Dr. Odele Coddington states the instrument will “desentrañar misterios sobre las nubes y la energía”.

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Satellite ETF (159206) Sees 3 Million Unit Decrease, Latest Scale at 85.43 Million Yuan

On July 2, Satellite ETF (159206) units dropped by 3 million, with the latest holdings at 84.95 million units and a scale of 85.43 million yuan. The ETF tracks the commercial satellite communications industry index. Investors are advised: “Market has risks, investment needs caution.”

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NASA Confirms Third Interstellar Object, 3I/ATLAS, Passing Through Solar System

NASA has officially confirmed the discovery of a new interstellar comet, 3I/ATLAS, zooming through the Solar System at over 60 km/s. Experts say, “It will fly deep through the Solar System, passing just inside the orbit of Mars,” but poses no threat to Earth. This marks only the third such object ever detected.

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Satellites Unveil Detailed Ocean Carbon Absorption Patterns

Satellites now provide unprecedented detail on how oceans absorb and release carbon dioxide. The new OceanSODA-ETHZ product offers eight-day, 25-kilometer resolution maps, revealing dramatic short-term swings. “A critical part of the approach is the use of satellite data,” said Nicolas Gruber of ETH Zurich, enabling finer tracking of ocean carbon dynamics and events like hurricanes.

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Trump Administration Cuts Satellite Data Crucial for Antarctic Sea Ice Monitoring

The Trump administration’s decision to end key US meteorological satellite programs threatens the continuity of Antarctic sea ice data. Experts warn this will disrupt the long-term record vital for climate research. “What we will lose is a long-term record of well-calibrated, interoperable satellite sensors,” said Doddridge, impacting global climate and ecological studies.

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Largest Martian Meteorite NWA 16788 Heads to Sotheby’s Auction

The largest known Martian meteorite, NWA 16788, weighing 54 pounds, will be auctioned at Sotheby’s in July 2024 with an estimated price of $2–$4 million. “NWA 16788 is a discovery of extraordinary significance—the most valuable of its kind ever offered at auction,” said Sotheby’s Cassandra Hatton. The meteorite is classified as a shergottite.

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Solar Activity Threatens Starlink Satellites, NASA Study Finds

A NASA-backed study reveals that Starlink satellites are increasingly threatened by heightened solar activity. Solar cycles intensify atmospheric drag, accelerating satellite reentry. The number of Starlink satellites reentering Earth’s atmosphere surged from 2 in 2020 to 316 in 2024. Researchers stress improving satellite resilience to prevent risks from falling debris.

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GOP Bill Proposes Moving Space Shuttle Discovery from Smithsonian to Texas

A GOP bill would relocate the Space Shuttle Discovery from the Smithsonian’s National Air and Space Museum in Virginia to Houston’s Johnson Space Center. The move, backed by Texas Senators, would cost up to $400 million. Only two shuttles, Atlantis and Discovery, remain U.S. government property. The Smithsonian calls such removals highly unusual.

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Starlink Sets New Speed Records for In-Flight Satellite Internet

Starlink‘s in-flight internet now boasts a median download speed of 152 Mbps, surpassing most ground providers and leaving rivals like Hughes and Viasat behind. With a signal latency 15 times lower than competitors, Starlink’s 7000-satellite LEO network enables seamless 4K streaming and cloud work for passengers. Experts say Starlink dominates the airborne internet segment.

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Vera C. Rubin Observatory Captures Stunning Trifid Nebula Image in First Light

The Vera C. Rubin Observatory unveiled its first close-up image of the Trifid Nebula, captured with the 3,200-megapixel LSST Camera. This detailed space photo highlights the nebula’s emission, reflection, and dark regions. The observatory’s decade-long survey will revolutionize astronomy by generating unprecedented data and discovering millions of new celestial objects.

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Vera Rubin Observatory Unveils First Images, Revealing Millions of New Galaxies

The Vera Rubin Observatory has released its first images, revealing millions of previously unseen galaxies. This marks the start of its 10-year Legacy Survey of Space and Time (LSST), aiming to answer questions about dark matter and dark energy. Experts say, “Rubin is truly transformative, thanks to its unique combination of sensitivity, vast sky area coverage and exceptional image quality.”

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Vera Rubin Observatory Ushers Astronomy into the Digital Age with Massive Data Survey

The Vera Rubin Observatory will launch a decade-long sky survey, generating hundreds of petabytes of data. Its team developed new technology to organise, analyse, and share this data, potentially revolutionizing how astronomers study dark matter, dark energy, and galaxy evolution.

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Northern Lights Forecast: Aurora Borealis Visible in 10 U.S. States This Week

The National Oceanic and Atmospheric Administration (NOAA) forecasts increased auroral activity (Kp index 4) Wednesday and Thursday nights, making the northern lights visible in 10 U.S. states. The heightened activity is due to the ongoing solar maximum, with NASA and NOAA predicting strong auroras into next year.

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Ex-SpaceX Technician Sues SpaceX for Racial Discrimination and Retaliation

A former SpaceX technician has filed a lawsuit alleging racial discrimination and retaliation after being fired for tardiness while caring for his daughter post-heart transplant. The complaint claims white colleagues received preferential treatment. His lawyer stated, “He consistently outperformed his white coworkers, but was held to a higher standard.”

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Japan Launches H2A Rocket No. 50 with Earth Observation Satellite

Japan’s H2A rocket completed its 50th and final launch, successfully placing the ‘Ibuki-GW’ Earth observation satellite into orbit. H2A retires after a strong record, making way for the more capable, cost-effective H3 rocket. The new satellite will monitor global greenhouse gases and water cycles with enhanced instruments.

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UN Deputy Secretary-General Calls for Enhanced Global Space Cooperation

Space technology underpins daily services like satellite communications and weather forecasting. UN Deputy Secretary-General Amina Mohammed emphasized, “Without satellites, global food systems would collapse within weeks.” She urges international cooperation to ensure space benefits reach every community, supporting disaster response, climate science, and sustainable development through inclusive access and capacity-building.

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NASA Curiosity Rover Finds Clues to Why Mars Is Barren

A NASA rover has discovered carbonate-rich rocks on Mars, offering a clue to why the planet is uninhabitable. Carbonates trap carbon dioxide, disrupting climate cycles. Lead scientist Edwin Kite said Mars had only brief ‘oases’ of habitability, with long barren periods. Returning Martian samples could provide more answers about Mars’ potential for life.

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SpaceX Sued by Former Employee Alleging Discrimination Over Tardiness

A former SpaceX technician is suing the company, alleging racial discrimination after being fired for tardiness while caring for his ill daughter. The lawsuit claims white employees’ lateness was overlooked. SpaceX, led by Elon Musk, faces scrutiny over its workplace policies and reliance on government subsidies. Trump has also threatened to strip SpaceX of federal contracts.

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NASA Discovers Interstellar Comet 3I/ATLAS Passing Through Solar System

NASA’s ATLAS survey has detected interstellar comet 3I/ATLAS entering the solar system from Sagittarius. The comet, currently 420 million miles from Earth, poses no threat and will approach closest to the Sun on Oct. 30. Astronomers worldwide are studying its properties as it remains visible to telescopes until September.

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Egypt to Launch Two Satellites in 2025: SPNEX and African Development Satellite

Egypt will launch two satellites in 2025: the SPNEX nanosatellite for climate change and ionospheric plasma studies, and the African Development Satellite in partnership with five African nations. Dr. Sherif Sedky stated, “By the end of this year, the African Development Satellite will be launched in cooperation with Kenya, Ghana, Uganda, Nigeria, and South Sudan.”

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Czech Railways Test Starlink Satellite Internet on Trains

Czech Railways are testing Starlink satellite internet on InterPanter trains, aiming to solve signal dropouts on busy routes. The three-month trial, in partnership with SpaceX and Škoda, offers passengers high-speed, low-latency internet for free. “We believe satellite internet could be the solution to coverage issues,” said ČD Chairman Michal Krapinec.

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Minneapolis Astronaut Anil Menon to Join International Space Station Mission in 2026

NASA astronaut Anil Menon, a Minneapolis native, will launch to the International Space Station in June 2026 aboard Soyuz MS-29. He’ll serve as a flight engineer for an eight-month mission. Menon, excited about future Mars missions, said: “Going to Mars for three years…you’re definitely going to need some medical help there.”

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MethaneSAT, US Methane Monitoring Satellite, Declared Lost

The US non-profit EDF announced its $88 million MethaneSAT methane monitoring satellite is lost and likely unrecoverable. MethaneSAT was key for tracking medium-scale methane emissions, crucial as methane is 80 times more potent than CO2 over 20 years. “It can detect concentrations as low as 2ppb,” said EDF chief scientist Steven Hamburg.

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Largest Martian Meteorite on Earth Expected to Fetch $4 Million at Auction

The largest known Mars meteorite on Earth, NWA 16788, weighing 54 pounds, will be auctioned by Sotheby’s and could sell for up to $4 million. Only about 400 Martian meteorites have been found. Experts call it a “once-in-a-generation find” and stress its scientific and public value.

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Senate Approves Funding for NASA Artemis Program, Rejects Musk’s Criticism

The Senate passed a bill allocating an extra $6 billion to NASA’s Artemis Moon program, supporting legacy systems like SLS, Orion, and Gateway. This move rebuffs criticism from SpaceX CEO Elon Musk, who favors reusable rockets, and contrasts with Trump’s proposed budget cuts. The bill emphasizes a Moon-to-Mars strategy and continued ISS support.

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Carbonate Formation and Fluctuating Habitability on Mars Explained by Negative Feedback Model

Mars’s habitability declined due to a ‘missing sink’ of carbonate, with new research showing a negative feedback among solar luminosity, liquid water, and carbonate formation. This feedback limited liquid water to oases, self-regulating Mars as a desert planet and explaining intermittent habitability recorded in sedimentary rocks like those at Gale Crater.

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Mars’ Climate Change: Carbonates in Rocks Reveal Why the Red Planet Grew Cold and Dry

Recent discoveries by NASA’s Curiosity and Perseverance rovers of carbonate minerals in Mars’ sedimentary rocks provide key evidence for how the planet lost its atmosphere and became cold and dry. Scientists now believe Mars’ carbon dioxide was locked away in rocks, drastically altering its climate over 3.5 billion years.

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Largest Martian Meteorite on Earth Heads to Auction, Expected to Break Records

A 54-pound Martian meteorite, NWA 16788, the largest piece of Mars on Earth, will be auctioned by Sotheby’s this month. Expected to fetch $2–$4 million, it accounts for nearly 7% of all Martian material found on Earth and could become the most valuable meteorite ever sold.

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Ancient NASA Satellite Relay-2 Emits Radio Burst After 57 Years

Australian astronomers detected a powerful fast radio burst in June 2024, later traced to NASA’s long-dead Relay-2 satellite. The event, described as “catching a ghost in the machine” by Dr. Alicia Shen, highlights space debris risks and how inert satellites can still affect modern astronomy.

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Aurora Borealis Visibility in US: Where to See the Northern Lights Tonight

Recent solar activity is bringing the Aurora Borealis to northern US states tonight, with the best views in Alaska and Canada, according to the Space Weather Prediction Center. Visibility depends on geomagnetic storm strength and local weather. For optimal viewing, avoid light pollution and look north. This event is less intense than May 2024’s display.

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July 2025 Night Sky Highlights: Mercury, Venus, Saturn, Mars, and Lunar Events

Mercury reaches greatest elongation July 3, while Venus, Jupiter, Saturn, and Mars offer spectacular morning and evening views. Key lunar phases and close encounters with planets occur throughout July. Earth reaches aphelion July 3. Observers can enjoy multiple planetary alignments and lunar events in the summer night sky.

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Largest Martian Meteorite Ever Found on Earth Heads to Auction

The largest Martian meteorite ever discovered on Earth, “NWA 16788,” is set for auction at Sotheby’s New York and could fetch up to $4 million. Weighing 54 pounds and 70% larger than any other Mars rock found on Earth, it offers rare insight into Martian geology. Sotheby’s Cassandra Hatton calls it a “once-in-a-generation find.”

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China Prepares for Unique Satellite Docking and Refueling Experiment

China is set to attempt a historic satellite docking and refueling mission between Shijian-21 and Shijian-25 in geostationary orbit. Success would mark the first-ever satellite refueling at this altitude, potentially extending satellite lifespans, reducing space debris, and lowering launch costs, signaling a major technological breakthrough in space operations.

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iPhone Satellite Emergency SOS Saves Hiker in Colorado Mountains

A hiker stranded at 3,350 meters in Colorado was rescued thanks to the iPhone’s Emergency SOS via satellite feature. With no mobile signal, he alerted family, prompting a swift rescue. This service, enabled by Apple’s $700M partnership with Globalstar, allows emergency messaging where cellular coverage is unavailable. Authorities emphasize knowing how to use this life-saving satellite feature.

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Third Interstellar Object Detected Entering Solar System: A11pl3Z

Astronomers have detected a third interstellar object, provisionally named A11pl3Z, entering the solar system on a highly unusual, hyperbolic trajectory. With an eccentricity around 6, it surpasses previous records set by ‘Oumuamua and 2I/Borisov. Experts say, “This is only the 3rd interstellar object ever discovered,” highlighting its scientific significance.

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Satellite Images Reveal Damage to Russian Drone Factory in Izhevsk After Ukrainian Strike

Satellite images from Planet Labs confirmed significant damage to the Kupol military plant in Izhevsk, Russia, following a Ukrainian drone strike. The factory, which produces air defense systems and attack drones, suffered a collapsed roof. This attack highlights the increasing use of long-range drones in the conflict and the role of satellite surveillance in verifying strike outcomes.

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$88M MethaneSAT Satellite Lost in Space After Power Failure

An $88 million MethaneSAT satellite, backed by Jeff Bezos, Google, and SpaceX, lost contact and power shortly after launch. The Environmental Defense Fund mission aimed to track atmospheric methane to combat climate change. Despite technical failures, experts say its data and lessons will benefit future methane monitoring missions.

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Europe Launches First Geostationary Sounder Satellite MTG-S1 for Advanced Weather Forecasting

Europe’s MTG-S1 satellite, launched by SpaceX, is the continent’s first geostationary sounder. Hosting the Copernicus Sentinel-4 mission, it delivers high-frequency, 3D atmospheric data to improve severe weather detection and forecasting. Experts highlight its role in saving lives and supporting global meteorological cooperation. “MTG-S1 will bring a treasure trove of new data,” said WMO Secretary-General Celeste Saulo.

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