Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

It might seem worlds away from the Earth we know. But can "Star Trek" teach us anything about the economics of our own ...

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

A metallic-looking rock sitting on the Martian surface has jolted a mission that was already rewriting what we know about the ...