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 ...

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

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 ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

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

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

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