Some experts believe that biology and technology can be combined to unlock the secrets of immortality in this clip from Season 10's episode, "Aliens and Robots". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more ...

Ancient astronaut theorists believe that the approximately 12,000-year-old Gobekli Tepe monument in modern-day Turkey may have been built by the survivors of a lost society in this clip from Seaspn 10, Episode 2, "Aliens B.C". #AncientAliens Subscribe for more from Ancient Aliens and other great ...

Underwater structures in the Bahamas might reveal evidence of a lost extraterrestrial civilization that could be a warning about the future of humanity in this clip from Season 10, Episode 2, "Aliens B.C". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Verner Von Braun developed NASA technologies that put a man on the moon, but some Ancient Astronaut Theorists suggest he was inspired by something extraterrestrial in this clip from Season 10, Episode 3, "NASA's Secret Agenda". #AncientAliens Subscribe for more from Ancient Aliens and other great ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule According to ancient astronaut theory, the origins of Osiris, Egypt's Lord of the Underworld, may be hidden under a sacred sight in Abydos, Egypt in this clip from Season 10, "The Forbidden Zones". #AncientAliens ...