Comets News 26 November 2025

Interstellar Comet 3I/ATLAS: December 2025 Close Approach, New Hubble Images and ‘Ice Volcano’ Surprises

Interstellar comet 3I/ATLAS – also known as C/2025 N1 (ATLAS) – has just become the most closely watched visitor in the night sky. On 4 December 2025, a wave of new observations and images from NASA and ESA revealed that

4 December 2025

Interstellar Comet 3I/ATLAS: Ice Volcanoes, Radio ‘Signals’ and a Planetary‑Defense Drill as It Skims Past Earth This Month

Updated: December 4, 2025 A once‑in‑a‑lifetime interstellar visitor is putting on its strangest act yet. New observations released in the last few days suggest that the comet 3I/ATLAS – only the third known object to enter our solar system from another star – is:

4 December 2025

Astronomy · Comets · Planetary Defense · Science News · Space Exploration

NASA’s Psyche Spacecraft Locks Onto Interstellar Comet 3I/ATLAS as Global Planetary‑Defense Drill Begins

Published: December 3, 2025 NASA has just added a dramatic new chapter to the story of interstellar comet 3I/ATLAS. Today, the agency revealed that its Psyche spacecraft — currently en route to a metal‑rich asteroid — has captured detailed observations

3 December 2025

Astronomy News · Comets · NASA Missions · Planetary Defense · Space Exploration

Interstellar Comet 3I/ATLAS: Cryovolcanoes, Expanding Coma and ‘Heartbeat’ Pulses – Latest Updates as of December 3, 2025

Published: December 3, 2025 Interstellar comet 3I/ATLAS – only the third known visitor from another star system – is putting on one of the strangest shows astronomers have ever seen. In the last 48 hours alone, new research and images have revealed:

3 December 2025

Astronomy · Astrophysics · Comets · Scientific Discoveries · Space Exploration

Interstellar Comet 3I/ATLAS: Latest Discoveries, Alien Debate and How to See It in December 2025

Interstellar comet 3I/ATLAS is turning December 2025 into one of the most dramatic months in modern astronomy. The icy visitor from another star system is firing powerful jets, showing signs of possible “ice volcanoes,” pulsing with a 16‑hour light pattern and inspiring

2 December 2025

Astronomy · Comets · Science News · Space Exploration · Stargazing

Interstellar Comet 3I/ATLAS Is Erupting, Pulsing and Powering Planetary‑Defense Drills Ahead of Its December 19 Flyby

Interstellar comet 3I/ATLAS – also known as C/2025 N1 (ATLAS) – has gone from obscure discovery to the most talked‑about object in the Solar System in just a few months. As of December 2, 2025, astronomers are reporting: All of this is happening while NASA,

2 December 2025

Astronomy · Comets · Planetary Defense · Science Updates · Space News

Interstellar Comet 3I/ATLAS Makes Closest Approach to Earth on December 19, 2025 — How to See It and Why It Matters

Updated December 1, 2025 On Friday, December 19, 2025, an ancient visitor from another star system will make its closest pass to Earth. Interstellar comet 3I/ATLAS will sweep by at a distance of about 170 million miles (270 million kilometers) — nearly twice as

2 December 2025

Astronomy · Comets · Science News · Space Exploration · Stargazing

Interstellar Comet 3I/ATLAS: NASA Confirms Natural Visitor as UN Turns It into a Planetary‑Defense Drill

As of 1 December 2025, interstellar comet 3I/ATLAS is racing back out of the inner solar system, sparking a rare combination of hard science, UN‑level planetary‑defense drills and loud public debate over whether this icy visitor is “just” a comet or something more

1 December 2025

Astronomy · Comets · NASA Updates · Planetary Defense · Space News

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

Published: 30 November 2025 Interstellar comet 3I/ATLAS – also known as C/2025 N1 (ATLAS) or simply the 3I ATLAS comet – is racing out of the inner solar system after a dramatic swing around the Sun. It’s only the third known object ever seen entering our neighbourhood from

30 November 2025

Astronomy · Comets · NASA News · Science Updates · Space Exploration

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

The interstellar comet 3I/ATLAS is now sweeping back out of the inner solar system, but the news cycle around it is only getting hotter. On November 29, 2025, new headlines are mixing hard data from NASA and the UN with high‑profile speculation from

29 November 2025

Astronomy · Comets · Extraterrestrial Life · NASA · Space Exploration

3I/ATLAS Interstellar Comet: UN Planetary‑Defence Campaign Begins as Mars Data Sharpens Its Path

On 27 November 2025, interstellar comet 3I/ATLAS hits a major milestone in its brief visit through our Solar System. The United Nations’ planetary‑defence network is officially turning the comet into a live global drill, while new data from spacecraft around Mars has tightened its predicted

27 November 2025

Astronomy · Comets · Planetary Defense · Science News · Space Exploration

Interstellar Comet 3I/ATLAS Today: UN Planetary‑Defense Drill, New “Anomaly” Images and How to See It – November 26, 2025

Published: November 26, 2025 Interstellar comet 3I/ATLAS has just gone from “cool space story” to a centerpiece of planetary‑defense practice, scientific debate and sky‑watching buzz. Today, the United Nations–backed International Asteroid Warning Network (IAWN) confirmed that 3I/ATLAS is the focus of a formal observing campaign

26 November 2025

Astronomy · Comets · Planetary Defense · Skywatching · Space News

Comets News 26 November 2025 - 4 December 2025