Declassified Pentagon papers describe a US military witness's watch jumping 25 minutes after a UFO encounter. Digital devices ...

The new project from the bestselling author of The Martian and Project Hail Mary is a time travel survival story ...

Audible set a fall launch for 'Exoplanet,' a sci-fi thriller executive produced by Andy Weir starring Anthony Mackie, Ariana DeBose and John Leguizamo.

People around the world are gathering in wilderness settings with the intention to initiate contact with UFOs using various ...

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...