Ten theories explore how some "evidence of aliens" could explain the universe's eerie silence and strange sightings. The post ...

NASA’s Curiosity rover has once again found itself at the center of an extraordinary alien theory after a resurfaced image ...

"Disclosure" has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made "disclosure" into a teasingly ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House scientific advisory council on UFOs.

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. Another batch of “UFO Files” have been dropped by ...

If we ever make contact with aliens, our best bet might be to say as little as possible. A recent study, which uses game theory to simulate the outcomes of different strategies for communicating with ...