This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

A one-of-a-kind NASA space telescope is about to fall out of the sky. For more than two decades, the Neil Gehrels Swift ...

Claims of an 'arms race' involving Russia and China, reverse-engineering, and crashed alien spacecraft re-emerged this month ...

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...