The Ark of the Covenant is one of the most sought after religious relics of all times and far more than just a box that contained the Ten Commandments. See more in Season 6, Episode 10, "Aliens and the Lost Ark." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, ...

Ronald Regan has a frightening encounter with an unidentified flying object next to his plane. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at ...

Are aliens deceiving humanity or is humanity itself deceived about aliens? Maybe they're not aliens after all? So are aliens deceiving humanity or is humanity itself being deceived about aliens? Or maybe something else is happening? So many lies have been written and revealed about UFOs that if ...