The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.