WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White ...

Neil deGrasse Tyson challenges recent UAP disclosures, urging officials to provide concrete evidence of extraterrestrial life ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

“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 ...

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

THESE NEW FILES REVEAL A UFO SIGHTING DESCRIPTIONS THAT GO BACK AS FAR AS THE 1940S. AND AT LEAST ONE OF THEM IS FROM THE HEART OF BOSTON. THE MOST STRIKING IMAGE IN THE NEWLY RELEASED FILES IS THIS ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...