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

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in ...

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

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...