Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion years ago. This ancient visitor, detected in July 2025,…

As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to turn NASA’s powerful James Webb Space

The evidence is mounting: this interstellar visitor is even older and weirder than anyone thought