Could today's rituals, such as festivals, coronations and funerals, be based on early man's attempts to emulate ancient alien visitors? See more in this scene from Season 3, Episode 5, "Aliens and Mysterious Rituals." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to ...

Ancient cultures around the world tell stories of strange objects witnessed flying in the sky. But are these tales fiction, or might people living thousands of years ago actually have seen extraterrestrial crafts descending from the heavens? Watch all new episodes of Ancient Aliens, Fridays, ...

Do we know everything NASA knows about potential life in outer space? Check out this compilation from Ancient Aliens. 00:00 NASA’s Untold Extraterrestrial Encounter 05:02 NASA's Extraterrestrial Technology 10:02 Evidence of Alien Wars on Dwarf Planet 13:20 Is There Life on Mars? Watch all ...

Stories of strange encounters accompany many of history's major events. Is it merely coincidence? Or might it be evidence of extraterrestrial intervention? See more in Season 8, Episode 4, "Alien Encounters." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The ...

Billionaire establishes a grant for one of the largest studies of crop circles in history. See more in this scene from Season 19, Episode 2, "The Crop Circle Code." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at ...

In cultures throughout the world, there are tales of intimate encounters with otherworldly beings. But could these stories be more than just mythology? See more in Season 7, Episode 8, "Alien Breeders." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY ...

Throughout history, spiritual leaders known as shamans have healed, protected and advised their people. But are they simply putting on elaborate ceremonies? See more in Season 7, Episode 6, "The Shamans" Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY ...

These mysterious formations have been appearing in farmer's fields for centuries. See more in this scene from Season 19, Episode 2, "The Crop Circle Code." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...

These mysterious formations have been appearing in farmer's fields for centuries. See more in this #Short from Season 19, Episode 2, "The Crop Circle Code." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...

Earth is home to 10 quintillion insects. In cultures throughout the world, insects have been honored, feared and even revered as gods. See more in Season 7, Episode 7, "Aliens and Insects." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website ...

Throughout human history, the planet Mars has captured our imagination. Ancient Egyptian astronomers were the first to record the red planet on a chart of the cosmos known as the Senenmut star map, in Season 7, Episode 5, "Aliens and the Red Planet." Watch all new episodes of Ancient Aliens, ...

Sealed vaults possessing a strange and deadly curse, mysterious relics believed to be under otherworldly protection, and riches so priceless, it has cost men their lives. See more in Season 7, Episode 4, "Treasures of the Gods." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and ...