Interstellar Comet 3I/ATLAS Today (December 8, 2025): Latest NASA Images, ‘Serial Killer’ Debate and How to See the Visitor from Another Star
On December 8, 2025, interstellar comet 3I/ATLAS is racing through the inner solar system, past the Sun and on its way to a safe but scientifically thrilling flyby of Earth on December 19. In the last 24–48 hours, new Hubble photos, Mars-orbiter results, and a fresh analysis from a Harvard astrophysicist have pushed this icy visitor back into the headlines. Live Science+2FOX Weather+2 Here’s a deep, news-ready look at what 3I/ATLAS is, what’s new today, and how skywatchers can try to catch it before it disappears back into interstellar space. What is Comet 3I/ATLAS? 3I/ATLAS — also cataloged as C/2025 N1 (ATLAS) — is the third confirmed interstellar