Annunaki - 450,000 years ago our ancestors descended from the heavens to engineer the first human beings. To us they were Giants that ruled as Gods over mankind. Now new evidence and scientific research acknowledges their existence on earth but reveals when they will return. The truth of their ...

The Sumerians in ancient Mesopotamia achieved over one hundred "firsts" for human civilization. Advances in writing, agriculture, science, mathematics, medicine, and astronomy. See more in Season 6, Episode 3, "The Anunnaki Connection." Watch all new episodes of Ancient Aliens, Fridays at ...