"What is NASA Hiding?!" (Top 4 NASA Mysteries Revealed) | Ancient Aliens

Do we know everything NASA knows about potential life in outer space? Check out this compilation from Ancient Aliens.

00:00 NASA's Untold Extraterrestrial Encounter 05:02 NASA's Extraterrestrial Technology
10:02 Evidence of Alien Wars on Dwarf Planet 13:20 Is There Life on Mars?