Interstellar Comet 3I/ATLAS Today (December 8, 2025): Latest NASA Images, ‘Serial Killer’ Debate and How to See the Visitor from Another Star
Interstellar comet 3I/ATLAS will pass Earth on December 19, 2025, after racing through the inner solar system at 58 km/s. New Hubble images, Mars orbiter data, and a Harvard analysis have renewed scientific attention in the last two days. NASA’s PUNCH mission tracked the comet behind the Sun, while early estimates suggest a nucleus up to 6 km wide.