Ancient Aliens

From an Egyptian bird carving to tales of flying carpets, analysts speculate that ancient cultures may have been inspired by alien spacecraft.

Observers wonder about the possibility of otherworldly visitors helping the builders of the past to construct awe-inspiring monolithic structures.

Devices that seem to be eons ahead of their time, including the Antikythera mechanism and Archimedes' heat ray, inspire theories of alien influence.

Researchers speculate that godlike figures from the myths and folklore of bygone cultures could have origins in powerful extraterrestrial visitors.

Ancient texts from around the world report human beings interacting with reptilian entities. Could such "lizard people" have been more than fantasy?

Genius inventor Nikola Tesla displayed extraordinary intellectual abilities, which some claim he derived from contact with extraterrestrials.

In 2012, researchers discovered a particle that changed science's view of the universe. Did aliens point the way to this breakthrough long ago?

Investigators conjecture that stories of timely divine intervention at critical junctures in human history may have an unearthly explanation.

The similarities between the gods of the past and modern-day superheroes may be rooted in common storytelling traditions — or in alien encounters.