A military whistleblower claims U.S. officials received intelligence about bipedal aliens, plasmoids, and crashed UFO ...
Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...
New government UFO files reveal Apollo 17 astronauts saw 'Fourth of July' like flashes and other strange phenomena during a 1972 mission to the moon.