Earth’s deep past leaves plenty of unanswered questions. None currently proves an alien visit, but scientists know the ...

If thousands of years from now aliens landed in the crumbling ruins of Washington, D.C., what would they make of it? Ellen Harvey has a wild imagination. These days, the artist has been musing about ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

Add Yahoo as a preferred source to see more of our stories on Google. Aliens in the forest Claims that extraterrestrial beings are already on Earth have moved far beyond science-fiction forums. Former ...