Lurking in our oceans are creatures that defy explanation. See more in Season 14, Episode 5, "They Came from the Sea." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. ...

Follow along as Georgio travels around the world to get to the bottom of historians most pressing questions. See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...

Within Tibetan Buddhism, one may hold the key to accessing alien realms through deep meditation - once in an enlightened state; interdimensional travel can take place , in this clip from Season 16, "The Lost Kingdom." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to ...

Did aliens from the tiny star Sirius B visit humans in the distant past, imparting the knowledge of civilization to peoples thousands of miles apart? See more in Season 14, Episode 4, "The Star Gods of Sirius." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on ...

Are these ancient stone structures actually harnessing energy from our planet? See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

For thousands of years, humankind has attempted to make contact with beings from beyond Earth. See more in this scene from Season 20, Episode 14, "The Search For Extraterrestrial Intelligence." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your ...

The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua. See more in Season 14, Episode 12, "Islands of Fire." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website ...

Might the tools and technology of ancient builders have come from distant galaxies? Find out more in this clip from Season 3, Episode 6, "ALIENS AND ANCIENT ENGINEERS." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY ...

Are extraterrestrials altering human DNA and repopulating the Earth with alien/human hybrids? See more in Season 14, Episode 10, "Project Hybrid." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

Could an exotic super heavy element provide the key to humanity's future in the stars? See more in Season 14, Episode 3, "Element 115." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

Foreign governments discover unidentified aerial phenomena in their skies, in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. ...

Might the tools and technology of ancient builders have come from distant galaxies? See more in this scene from Season 3, Episode 6, "Aliens and Ancient Engineers." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY ...