Steven Spielberg revisits his passion for interstellar visitors, with a government conspiracy begging to be blown wide open..

Anthony Mennella shares bizarre alien encounters that viewers will not believe actually happened.

Devils Tower, Wyoming (CNN) — The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a ...

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 ...