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Space Exploration 12 November 2025 - 30 November 2025

Interstellar Comet 3I/ATLAS: Latest NASA, ESA and UN Updates on the 3I ATLAS Comet (30 November 2025)

Interstellar Comet 3I/ATLAS: Latest NASA, ESA and UN Updates on the 3I ATLAS Comet (30 November 2025)

Interstellar comet 3I/ATLAS, confirmed as the third known visitor from outside the solar system, passed closest to the Sun on October 30 and is now heading outward. NASA, ESA, and the UN are tracking it as part of a planetary-defense exercise. The comet will pass no closer than 270 million km from Earth on December 19. Its nucleus measures between 440 meters and 5.6 km across.
30 November 2025
Comet 3I/ATLAS Today: NASA, UN Drill and Alien‑Probe Claims Explained (Nov. 29, 2025)

Comet 3I/ATLAS Today: NASA, UN Drill and Alien‑Probe Claims Explained (Nov. 29, 2025)

The United Nations began a planetary-defense drill using interstellar comet 3I/ATLAS on November 27. Physicists Avi Loeb and Michio Kaku have raised questions about minor accelerations and possible alien links, but NASA and ESA confirm the comet poses no threat. 3I/ATLAS, discovered in July, is now moving away from the inner solar system and remains under close observation.
29 November 2025
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SpaceX Falcon 9 Launches 140 Satellites on Transporter‑15 from Vandenberg, Bringing Sonic Boom Warnings to California

SpaceX Falcon 9 Launches 140 Satellites on Transporter‑15 from Vandenberg, Bringing Sonic Boom Warnings to California

SpaceX launched 140 satellites aboard a Falcon 9 rocket from Vandenberg Space Force Base at 10:44 a.m. Pacific on November 28, 2025. The booster B1071 completed its 30th flight, landing on a droneship in the Pacific. Sonic boom alerts were issued along California’s Central Coast. The mission included a private space telescope and multiple orbital transfer vehicles.
28 November 2025
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Interstellar Comet 3I/ATLAS on November 28, 2025: UN Planetary‑Defence Drill, NASA’s Verdict and How to See It

Interstellar Comet 3I/ATLAS on November 28, 2025: UN Planetary‑Defence Drill, NASA’s Verdict and How to See It

The United Nations and International Asteroid Warning Network designated interstellar comet 3I/ATLAS as the focus of a new global planetary-defense exercise on November 28, 2025. NASA confirmed the comet poses no threat to Earth and behaves like a natural interstellar object. Social media claims of unusual features have circulated, but astronomers report no evidence of danger.
28 November 2025
Baikonur Launch Pad Damaged After Soyuz MS‑28 Liftoff as NASA Astronaut Chris Williams Reaches Space Station

Baikonur Launch Pad Damaged After Soyuz MS‑28 Liftoff as NASA Astronaut Chris Williams Reaches Space Station

Soyuz MS-28 launched from Baikonur on Nov. 27, sending NASA’s Chris Williams and two Russian cosmonauts to the ISS, where they docked safely three hours later. Post-launch inspections found severe damage to Site 31, the only certified pad for Russian crewed flights. The new crew began an eight-month mission. Officials say repairs are needed before future launches.
28 November 2025
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Interstellar Comet 3I/ATLAS Update – UN Planetary‑Defence Drill, New Orbit Data And NASA’s Latest Verdict (28 November 2025)

Interstellar Comet 3I/ATLAS Update – UN Planetary‑Defence Drill, New Orbit Data And NASA’s Latest Verdict (28 November 2025)

The United Nations and International Asteroid Warning Network have designated interstellar comet 3I/ATLAS as the focus of a global planetary-defense drill, running through January 2026. Mars orbiter data have improved predictions of the comet’s path tenfold. NASA maintains the object is a comet, while some scientists continue to debate possible non-gravitational forces and its upcoming Jupiter flyby.
28 November 2025
Interstellar Comet 3I/ATLAS Today (Nov. 27, 2025): UN Planetary‑Defense Drill Begins, New Trajectory Data and Fresh “Alien Probe” Claims

Interstellar Comet 3I/ATLAS Today (Nov. 27, 2025): UN Planetary‑Defense Drill Begins, New Trajectory Data and Fresh “Alien Probe” Claims

The UN launched a planetary-defense drill on Nov. 27, using interstellar comet 3I/ATLAS as a training target. NASA and ESA confirm the comet poses no threat, with a closest approach of 1.8 AU on Dec. 19. New data show a small non-gravitational acceleration near perihelion, fueling debate over its jets. Viral claims of alien probes and spinning motion remain unverified by space agencies.
27 November 2025
3I/ATLAS Comet Today (24 November 2025): NASA Mars Images, Jet ‘Anomalies’, Alien Debate and How to See It

3I/ATLAS Comet Today (24 November 2025): NASA Mars Images, Jet ‘Anomalies’, Alien Debate and How to See It

NASA released detailed Mars-based images of interstellar comet 3I/ATLAS on Nov. 24, showing its coma and hydrogen cloud. Observatories confirmed the comet’s natural behavior despite speculation about alien origins. 3I/ATLAS passed within 300 million km of Earth on Nov. 23 and will approach to 269 million km in December. A separate ATLAS comet in the Solar System is breaking apart.
25 November 2025
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Interstellar Comet 3I/ATLAS: NASA’s New Images, UN Planetary‑Defense Drill and the Truth Behind the ‘Alien Visitor’ Hype

Interstellar Comet 3I/ATLAS: NASA’s New Images, UN Planetary‑Defense Drill and the Truth Behind the ‘Alien Visitor’ Hype

NASA released new images and data of interstellar comet 3I/ATLAS as it exits the inner solar system. The United Nations confirmed the comet is central to a global planetary-defense drill. 3I/ATLAS, discovered in July 2025, passed closest to the Sun on October 29 and will remain over 170 million miles from Earth. Twelve NASA missions have observed the object.
25 November 2025
Interstellar Comet 3I/ATLAS on 18 November 2025: New Multi‑Tailed Image, NASA’s Big Reveal and a Planetary‑Defense Rehearsal

Comet 3I/ATLAS Today: NASA’s Big Image Reveal, ISRO’s New Data and How to Follow the Interstellar Visitor (Nov. 19, 2025)

NASA will unveil its sharpest images yet of interstellar comet 3I/ATLAS at 3 p.m. ET Wednesday during a live event from Goddard Space Flight Center. India’s ISRO released new data from its Mount Abu telescope, showing classic comet activity and familiar molecular signatures. Scientists estimate 3I/ATLAS may be over 8 billion years old, far predating the solar system.
19 November 2025
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Interstellar Comet 3I/ATLAS on 18 November 2025: New Multi‑Tailed Image, NASA’s Big Reveal and a Planetary‑Defense Rehearsal

Interstellar Comet 3I/ATLAS on 18 November 2025: New Multi‑Tailed Image, NASA’s Big Reveal and a Planetary‑Defense Rehearsal

A new image shows interstellar comet 3I/ATLAS with multiple tails as it passes galaxy NGC 4691, LiveScience reported Tuesday. NASA will release the sharpest spacecraft images yet in a live broadcast on November 19. ESA says Mars-orbit data has improved the comet’s predicted path tenfold. Harvard’s Avi Loeb renewed speculation about an artificial origin, which most scientists reject.
18 November 2025
Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Interstellar Comet 3I/ATLAS on November 16, 2025: How to Watch Tonight’s Livestream, What’s New from ESA & NASA, and Where to Find It in the Sky

The Virtual Telescope Project will livestream interstellar comet 3I/ATLAS from Italy tonight at 11:15 p.m. ET. ESA improved the comet’s trajectory using Mars orbiter data, while NASA confirmed it poses no threat. The comet is currently about magnitude 10 in Virgo, visible with small telescopes. Closest approach to Earth is set for Dec. 19 at 1.8 AU.
16 November 2025
Interstellar Comet 3I/ATLAS Shrouded in CO₂ Fog – NASA’s SPHEREx Reveals a Cosmic Visitor’s Secrets

Interstellar Comet 3I/ATLAS on 14 November 2025: New ESA Orbit, Fresh Spectra, Politics, Alien Hype – and How to See It

The European Space Agency announced it has improved the orbit prediction for interstellar comet 3I/ATLAS using data from the ExoMars Trace Gas Orbiter. New optical and infrared images were released, while NASA faces criticism over withholding some images. The comet is now visible before dawn to Northern Hemisphere telescopes. Speculation about its origin continues.
14 November 2025
New Glenn Launches NASA’s ESCAPADE to Mars, Nails First Sea Landing (Nov. 13, 2025)

New Glenn Launches NASA’s ESCAPADE to Mars, Nails First Sea Landing (Nov. 13, 2025)

Blue Origin’s New Glenn rocket launched NASA’s twin ESCAPADE spacecraft toward Mars from Cape Canaveral at 3:55 p.m. EST on Nov. 13, 2025, then landed its booster on the ship Jacklyn in the Atlantic. NASA confirmed both probes separated as planned and began their year-long Earth orbit before heading to Mars in 2027. The flight also carried a Viasat tech demo.
14 November 2025
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MeerKAT Detects Radio Signal From Interstellar Comet 3I/ATLAS — OH Lines Confirm Natural Origin (Nov. 13, 2025)

MeerKAT Detects Radio Signal From Interstellar Comet 3I/ATLAS — OH Lines Confirm Natural Origin (Nov. 13, 2025)

South Africa’s MeerKAT radio array detected hydroxyl absorption lines at 1665 and 1667 MHz from interstellar comet 3I/ATLAS on Oct. 24, 2025, confirming water outgassing as it neared the Sun. The signal matches classic comet chemistry and counters recent speculation about artificial origins. Earlier September attempts saw no signal. The finding marks the first radio confirmation for 3I/ATLAS.
13 November 2025
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Alien Probe or Cosmic Relic? Interstellar Comet 3I/ATLAS Baffles Scientists (updated 27.10.2025)

Comet 3I/ATLAS on Nov. 12, 2025: Tail Keeps Growing, First Radio Signal Confirmed, and How to See the Interstellar Visitor

Astronomers captured new images Nov. 10–11 showing interstellar comet 3I/ATLAS with a lengthening, structured ion tail as it returns to the predawn sky. South Africa’s MeerKAT array detected hydroxyl radio signals on Oct. 24, confirming typical comet chemistry. The comet is visible low in the east before dawn, drifting through Virgo at magnitude 11–12. ESA’s JUICE spacecraft will attempt further observations this month.
12 November 2025
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