NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

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

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

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

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

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

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers.

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of carbon monoxide gas from it's solid icy core.

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.