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