Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

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

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 ...

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

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

Formed around a distant star elsewhere in the Milky Way, it is an interstellar wanderer, not a merely interplanetary one.

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

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

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

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and ...