Watch new episodes of Ancient Aliens returning Friday Jan 24, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Has the U.S. Military been digging a network of tunnels under Area 51 to conduct secret experiments? Ancient astronaut ...

Watch new episodes of Ancient Aliens returning Friday Jan 24, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Ancient astronaut theorists insists there are more government sites engaged in extraterrestrial research than ever, in this ...

Watch new episodes of Ancient Aliens returning Friday Jan 24, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Could the Russian Stonehenge actually be a site of alien interaction with mankind? Learn more in this digital exclusive from ...

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. Ancient Astronaut Theorists suggest that Moses may have used extraterrestrial technology to guide the Israelites through the ...

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. Ancient Astronaut Theorists explore how England's Stonehenge functioned as an ancient observatory of the stars - and how ...

In 1974, a Florida man found a myserious metal sphere that moved on its own and would produce strange noises. Learn more about this strange object and theories surrounding it in this digital exclusive from Season 12. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY ...

Watch new episodes of Ancient Aliens Saturdays at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Ancient Astronaut Theorists suggest that the octopus may have originated in outer space and been brought to Earth by an asteroid, in this ...

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 ...