Today: 11 December 2025
Subscribe
Browse Tag

planetary defense

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

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
 ·  ·  ·  · 
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

As of November 27, 2025, Earth’s newest interstellar visitor is back in the pre‑dawn sky, at the center of a United Nations planetary‑defense exercise and a wave of viral speculation. Here’s what’s actually happening with comet 3I/ATLAS today. Quick overview
27 November 2025
 ·  ·  ·  · 
Interstellar Comet 3I/ATLAS Today: UN Planetary‑Defense Drill, New “Anomaly” Images and How to See It – November 26, 2025

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
 ·  ·  ·  · 
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

Updated 18 November 2025 Interstellar comet 3I/ATLAS is having a huge day in the headlines. As of today, 18 November 2025, astronomers have unveiled a spectacular new multi‑tailed image, NASA has confirmed details of a live global broadcast tomorrow to share the sharpest spacecraft
18 November 2025
 ·  ·  ·  · 
Go toTop