What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet was home to billions of humans, ...

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 ...

In the 1982 blockbuster, E.T. the Extra–Terrestrial, E.T. is lured out of hiding using a trail of Reese's Pieces. But what would aliens really eat if they visited our planet? According to Professor ...

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 ...