NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

Astronomers discovered 3I/ATLAS, an interstellar object moving at over 60 km/s towards the Sun. It's the third known object ...

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

NASA astronaut Suni Williams works outside the International Space Station. Credit: NASA | edited by Space.com's Steve ...