Erich von Däniken, author who spawned alien archaeology theory, dies at 90 - The Swiss author whose bestselling books about ...

Erich von Däniken, who has died aged 90, was among the first writers to suggest that human civilisation, and even human ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and dramatic. But what if th.

The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

The truth may or may not be out there, apparently.