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

NASA has confirmed that asteroid 2025 MN88, measuring about 65 feet wide, will make its closest approach on 6 July.

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

Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have ...

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

NASA astronaut Nichole Ayers, who is aboard the International Space Station as pilot of SpaceX Dragon’s Crew-10, captured the ...