Interstellar Comet 3I/ATLAS Today (Nov. 27, 2025): UN Planetary‑Defense Drill Begins, New Trajectory Data and Fresh “Alien Probe” Claims
The UN launched a planetary-defense drill on Nov. 27, using interstellar comet 3I/ATLAS as a training target. NASA and ESA confirm the comet poses no threat, with a closest approach of 1.8 AU on Dec. 19. New data show a small non-gravitational acceleration near perihelion, fueling debate over its jets. Viral claims of alien probes and spinning motion remain unverified by space agencies.