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

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

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

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

An asteroid discovered last year and briefly thought to be a threat to Earth has a one-in-23 chance of hitting the Moon, ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...