Interstellar Comet 3I/ATLAS Update – UN Planetary‑Defence Drill, New Orbit Data And NASA’s Latest Verdict (28 November 2025)
As of Friday, 28 November 2025, interstellar comet 3I/ATLAS has gone from “weird new visitor” to the centerpiece of a United Nations–endorsed planetary‑defence drill, a live trajectory experiment using spacecraft around Mars, and a lightning rod for speculation about alien technology. The Times of