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 all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. In 1958, an American family is haunted by strange phenomena that no expert can explain. Could this have been a poltergeist - or even an ...