Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

A new book charts the creation of a secretive system that automates warfare for the military. The progression from target ...

Get the latest news about Project Blue Book. Find exclusive interviews, video clips, photos and more on Entertainment Tonight.

His was the first widely reported UFO sighting in this country and set off a wave of other reported sightings. On July 2, A ...