Its path through space will take it between the orbits of Earth and Mars before it heads back out toward interstellar space ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic ...