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.

The Pentagon on Friday began releasing “never-before-seen” files relating to unidentified anomalous phenomena — previously and more infamously known as unidentified flying objects, or UFOs — that the government has been holding onto for decades –The files have been a source of intrigue and fascination for generations of skeptical Americans wondering if we’re alone in the universe.