After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

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 ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...

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

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

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...