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, ...

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

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

Stacker compiled a ranking of cities with the most UFO sightings in Florida using data from the National UFO Reporting Center ...

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

The White House launched a website teasing new information on extraterrestrials this week, but it actually delivers immigrant arrest data.

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

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. This voice experience is generated by AI. Learn ...