An enormous rectangular-shaped 'structure' has been spotted on a map of the seafloor, sparking theories that an alien base ...

Add Yahoo as a preferred source to see more of our stories on Google. Like its first two installments, "Metamorphosis" is split into two parts. The first half finishes off the show's time on the ...

Erich von Däniken proposed that monumental structures such as the pyramids could have been built with help from aliens. Stefan Baumann Could ancient humans really have built the pyramids without ...