A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past? This video explored the ancient alien theory through the lens of the Fermi ...

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 ...

NASA’s Curiosity rover has once again found itself at the center of an extraordinary alien theory after a resurfaced image from Mars sparked fresh debate online. UFO researcher Scott C. Waring claimed ...

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 ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...

In a recent interview with SFX magazine, the long-term Spielberg collaborator addressed the theory that claims the ET director has joined forces with the government and will use Disclosure Day to ...

There was a time in the not-too-distant past when you’d only encounter images of the president hanging with aliens at the checkout counter, tucked between Harlequin romance novels and issues of TV ...