Comets News 2 December 2025 - 8 December 2025

As of December 8, 2025, interstellar comet 3I/ATLAS (also known as C/2025 N1 (ATLAS)) has gone from an obscure discovery to a global headline-maker. New observations are revealing cryovolcano‑like eruptions, an atmosphere rich in prebiotic molecules, and spectacular images from NASA and ESA ahead of its December 19 close approach to

Published December 7, 2025 Interstellar comet 3I/ATLAS – only the third confirmed visitor ever seen passing through our Solar System from another star – is putting on its biggest show yet this December. As it brightens again after looping behind the Sun,

Interstellar comet 3I/ATLAS – also known as C/2025 N1 (ATLAS) – has just become the most closely watched visitor in the night sky. On 4 December 2025, a wave of new observations and images from NASA and ESA revealed that