Pioneering astronomer Carl Sagan once wrote that "The universe is a pretty big place. If it's just us, seems like an awful waste of space." On screen, the vastness of the universe and the ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

Recently released FBI documents from 71 years ago detailed claims that aliens sent messages to members of one of the oldest UFO organizations in the U.S. The recently uncovered files were part of a ...

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 ...