Solar System News 17 July 2025

Interstellar Comet 3I/ATLAS Lights Up the Solar System: New Hubble and Juice Images Reveal Jets, Dual Tails and a Puzzling ‘Heartbeat’

As of December 7, 2025, interstellar comet 3I/ATLAS has become the most closely watched object in the sky. In just a few days, NASA, ESA and independent astronomers have released a flood of new images and analyses: Hubble’s fresh November

7 December 2025

Interstellar Comet 3I/ATLAS: Hubble’s New Image, Psyche’s Data and ‘Ice Volcano’ Hints as of December 5, 2025

On December 5, 2025, astronomers around the world are laser‑focused on one object: interstellar comet 3I/ATLAS, only the third known visitor from another star system to sweep through our solar neighborhood. Fresh Hubble images, new spacecraft observations and a provocative study about possible

5 December 2025

Astronomy · Comets · Hubble Telescope · Solar System · Space Exploration

Comet 3I/ATLAS Today (23 November 2025): New NASA MAVEN Results, Jupiter ‘Anomaly’ Claims and the Truth About Those Break‑Up Rumors

Interstellar comet 3I/ATLAS continues to dominate space headlines this Sunday, 23 November 2025. New data from NASA’s Mars missions are sharpening our picture of what this visitor is made of, while a fresh claim of an “extraordinary anomaly” in its

23 November 2025

Astronomy · Comets · NASA Discoveries · Solar System · Space Missions

Rare Interstellar Comet 3I/ATLAS – a 10-Billion-Year-Old Time Capsule – Flies Past Mars

Largest & Oldest Interstellar Comet Ever Seen Nears Sun – 3I/ATLAS Blasts Water ‘Like a Fire Hose’

Image: Interstellar comet 3I/ATLAS (center) streaking through the stars, captured on Aug. 27, 2025 by the Gemini South telescope in Chile. As the comet nears the Sun, solar radiation vaporizes ice in its nucleus, unleashing jets of gas and dust

28 October 2025

Astronomy · Comets · Science News · Solar System · Space

Interstellar Comet 3I/ATLAS Unleashes Bizarre Sunward Jet as Scientists Quash Alien Rumors Ahead of Solar Swing-By

Interstellar Mystery Lights Up the Solar System An interstellar vagabond is currently streaking through our Solar System, and it’s making waves both in the scientific community and the public imagination. Officially designated 3I/ATLAS (C/2025 N1), this object is only the third

26 October 2025

Alien Life · Astronomy · Comets · Solar System · Space Science

Rare Interstellar Comet 3I/ATLAS – a 10-Billion-Year-Old Time Capsule – Flies Past Mars

A Visitor from Beyond the Solar System Humanity has waited a long time to study a comet from another star – and suddenly, within a decade, we’ve had three. 3I/ATLAS (officially 3I/2025 A1) is the latest of these rare interstellar interlopers. It was

8 October 2025

Astronomy · Comets · Scientific Discoveries · Solar System · Space Exploration

Solar System’s Hidden Edge: NASA’s Bold Quest to Map the Invisible Cosmic Boundary

The Solar System’s Invisible Boundary – What and Where Is It? When we gaze up at the night sky, it’s easy to imagine the solar system simply fading into the depths of space. In reality, our solar system ends at

19 September 2025

Astronomy · Cosmic Boundaries · NASA Missions · Solar System · Space Exploration

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Rare Interstellar Comet Racing Through Our Solar System Could Be the Oldest Ever Seen

A Mysterious Visitor from Beyond the Solar System Interstellar comet 3I/ATLAS photographed under dark skies during a lunar eclipse, revealing an emerald-green coma surrounding its nucleus space.com. This rare alien comet carries chemical clues from a distant star system. In

17 September 2025

Astronomy · Comets · Science · Solar System · Space

Secret Spaceplane Launch, 75 Mice in Orbit, and Uranus’ New Moon – Space Highlights (Aug 20–21, 2025)

Satellite Launches & Missions 🚀 Global Space Agency Developments 🌍 (Elsewhere in space agency news: NASA this week opened accreditation for a September event to introduce its 2025 astronaut candidate class and to preview the Artemis II Moon mission nasa.gov nasa.gov.

21 August 2025

Animal Research · Astronomy · Solar System · Space · Space Exploration · Spaceplane Launch

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

3I/ATLAS was first spotted on July 1, 2025 by the ATLAS telescope in Río Hurtado, Chile, and officially designated 3I/2025 A1 (ATLAS), the third confirmed interstellar object after 1I/‘Oumuamua (2017) and 2I/Borisov (2019). It is traveling through the inner solar

19 August 2025

Astronomy · Comets · Interstellar Objects · Solar System · Space Exploration

Meet “Ammonite” – Fossil World at Solar System’s Edge Challenges Planet Nine Theory

Ammonite is the informal name for the trans-Neptunian object 2023 KQ14, discovered by the FOSSIL survey with Subaru’s 8.2-meter telescope in early 2023. Follow-up observations in July 2024 with the Canada–France–Hawaii Telescope and archival data from 2005 extended its observational

17 July 2025

Astronomy · Fossils · Planet Nine · Solar System · Space Science

Solar System News 17 July 2025 - 7 December 2025