Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Aster G. Taylor is a Ph.D. candidate in Astronomy and Astrophysics at the University of Michigan, Ann Arbor and a 2023 Fannie ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

The newly discovered space rock may be older than our entire solar system, and you may get the chance to see it ...

The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – and ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...