Stephen Hawking's eerie alien theory might explain why we've never been contacted ...

Hawking's dark theory: The 'dark forest' hypothesis warns that intelligent life may avoid contact to protect itself from perceived threats. New detection methods: Scientists propose using narrowband ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...

Donald Trump's directive to release classified files on extraterrestrial life has sparked excitement and conspiracy theories, including the resurgence of the 'Project Blue Beam' theory.