Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Investigate why the Mayans used several calendars with no apparent solar connection - and how one of their calendars points to ...

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 1946 admiral Richard Byrd oversaw Operation High Jump, an Antarctic expedition in which he spoke of an enemy that could fly from pole to ...

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. Napi is known as the creator among the Blackfoot Tribe in Native American culture. Ancient theorists believe petroglyphs drawn by those ...

Watch all new episodes of Ancient Aliens returning Saturday, April 11th at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. Ancient Astronaut Theorists believe that Hammurabi's Code could have actually been written by Babylonian Gods. Learn ...

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. Archaeologists have found striking similarities between the ancient peoples of India and South America. Could there be an extraterrestrial ...

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. Ancient astronaut theorists believe the mysterious Balanced Rock, located in New York State, could store massive amounts of electrical ...

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. During the International UFO Congress, attendees shared their alien encounters, leading ancient astronaut theorists to conclude that various ...

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. At Mystery Hill in New Hampshire, a giant stone slab is linked to the bodies of sacrificed victims, also known as Bog Bodies, in this clip ...

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. When members of the US Air Force discover a downed UFO, they receive a coded message revealing a human hybridization project taking place, ...

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. Ancient Astronaut Theorists believe the Star Visitor Sanctuary in Hawaii is a welcome spot for extraterrestrial civilizations who have ...

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. Ancient Astronaut Theorists believe that on Earth there are powerful hot spots that enable intergalactic teleportation. To find these hot ...

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. Grand Central Terminal in Manhattan, New York is home to one of the largest zodiac wheel murals ever, and ancient astronaut theorists ...