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

The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.

If we ever make contact with aliens, our best bet might be to say as little as possible. A recent study, which uses game theory to simulate the outcomes of different strategies for communicating with ...

The Pentagon’s release of new UFO-related documents has sparked a wave of alien theories and online speculation, despite officials saying there is no confirmed evidence of extraterrestrial life. The ...

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.

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 ...