Interstellar Comet 3I/ATLAS: NASA Confirms Natural Visitor as UN Turns It into a Planetary‑Defense Drill
NASA has confirmed interstellar comet 3I/ATLAS is a natural object with no alien technosignatures, despite its unusual features. The UN and International Asteroid Warning Network have made it the focus of a planetary-defense drill, emphasizing it poses no threat to Earth. The comet is now visible by telescope at magnitude 11.3, passing through Virgo and heading for its closest approach on December 19, 2025.