UN Confirms Interstellar Comet is Planetary Defense Drill

The Blogs: UN/IAWN Planetary-Defense Document on 3I/ATLAS — What NASA and ESA Already Know

From the blog of Rafi Glick at The Times of Israel

3I/ATLAS could help protect Earth from dangerous asteroids.

While interstellar comet 3I/ATLAS will not come near our planet, future ones may. A new campaign seeks to improve orbit predictions.

NASA group launches defense probe to protect Earth from Manhattan-size comet

3I/ATLAS has been added to the list of threats by the International Asteroid Warning Network, a NASA-coordinated worldwide coalition of organizations and space experts who collaborate to detect and monitor potentially hazardous asteroids and Near-Earth Objects to assess their potential impacts to Earth.

IAWN Comet Astrometry Campaign

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 that doubles as a planetary‑defense exercise, beginning November 27. iawn.net+2iawn.net+2 At the same time, new amateu…

3I/ATLAS Update: UN Confirms Comet Is Subject Of Formal Planetary-Defence Exercise

The official UN/IAWN document confirms the interstellar comet 3I/ATLAS is the target of a formal planetary-defence exercise.