Is it possible that the moon is actually a giant spacecraft allowing extraterrestrials to monitor planet earth? Learn more about this theory in this collection of .
Why is the symbol of the egg present in all cultures? Does the answer lie out in the stars, or perhaps inside our own brains? Find out in this collection of scenes .
Ancient Aliens is an American television series that premiered on April 20, 2010 on the History channel. Produced by Prometheus Entertainment, the program .