Watch new episodes of Ancient Aliens returning Saturday Jan 25, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Carvings on the Menhir stones of Sardinia remind ancient astronaut theorist Giorgio Tsoukalos and treasure hunter Marty ...

Watch new episodes of Ancient Aliens returning Saturday Jan 25, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Marty Lagina is still open to the idea that ancient astronauts visited earth some time ago, but Giorgio has no doubts at ...

Strange Tiki statues in the in the Marquesas Islands are eerily similar to carvings around the world of goggled eyed figures that could be evidence of extraterrestrial visitation in this clip from Season 13, "The Sentinels". #AncientAliens Subscribe for more from Ancient Aliens and other great ...

Watch new episodes of Ancient Aliens Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. Ancient astronaut theorists suggest a new branch of the US military may be related to an extraterrestrial agenda, in this clip from Season ...

Watch new episodes of Ancient Aliens Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. Egyptian lore tells of Osiris, who was killed and torn apart by his jealous brother and later put back together. Ancient astronaut theorists ...

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. A growing number of Ancient Astronaut theorists have suggested that extraterrestrials influenced our ancestors as to the precise positioning ...

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. In California, thousands of alien enthusiasts gather for HISTORYCon, where they learn about the original ancient astronaut theorist, in this ...

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. After tracking methane levels on Mars over the past few years, Elizabeth Rampe, NASA Exploration Mission Scientist, breaks the news that ...