Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

It came from the dark, quiet parts of interstellar space, maybe from a place where the sun doesn't have much of an effect. It could have been born near a star that is much older than our solar system.