NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Rio Hurtado first spotted the object ...

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...