These “pre-discovery” observations extend back to June 14. Comet 3I/ATLAS is the third known object from outside our solar system to be discovered. Astronomers have categorized this object as ...

At up to 30 km wide, 3I/ATLAS is officially dummy thicc—with two Cs and a tail. Astronomers are calling it “the Lizzo of ...

Hopkins and Lintott are two of the six authors of a new paper that uses the new model to trace the origin of Comet 3I/ATLAS, and it appears to be coming from a completely different region of the ...

Astronomers have confirmed the discovery of a rare celestial visitor from beyond our Solar System. The comet was first spotted on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System ...

Astronomers have confirmed the presence of 3I/ATLAS, a rare interstellar comet originating from a distant star system, now traversing our solar system.

I/ATLAS, also known as C/2025 N1 (ATLAS), originated in a distant star system, far beyond the boundaries of our solar system.