The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

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

The trailer looks faithful to the book, which is a nice surprise! Now we just need Adrian Tchaikovsky's Alien Clay to be made into a film. Similar wide scope ex-solar system, interesting aliens, and a ...

In 1965, twelve astronauts vanished into deep space on a mission Earth never acknowledged—sent to live among aliens on a planet called Serpo. What they found was a world of impossible tech, but not ...