Avi Loeb is best known for making questionable claims about evidence of alien technology.

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

A strange UFO sighting in Susa Valley, Italy, leads to the construction of Sacra di San Michele, and according to theorists, ...

It's the latest release after President Donald Trump signed an executive order mandating that the Pentagon be more open with ...

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

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

NASA UAP research confirms no alien contact despite administrator comments - here's what the official record actually says ...

The U.S. military released a new batch of files related to UFOs, including one report from a Navy pilot who said a mysterious ...