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

Off the coast of Chile there’s an island filled with mysterious monolithic structures that hold secret powers. See more in ...

One night about 60 years ago, physicist Enrico Fermi looked up into the sky and asked, "Where is everybody?" He was talking about aliens. Today, scientists know that there are millions, perhaps ...