A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...

By bnm Gulf bureau An interstellar comet that sparked speculation about extraterrestrial visitors has departed the solar ...

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 ...

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

Steven Spielberg's eerie 'Disclosure Day' trailer has ignited alien theories online. Is it hinting at hidden extraterrestrial ...