Viral posts link deaths and disappearances to UFO programs and nuclear secrets. Here’s what’s known — and what doesn’t hold up.

Speaking at a White House event with NASA's Artemis II mission crew, President Donald Trump said that UFO files will contain ...

The promise comes as the Department of Defense missed a deadline to deliver requested videos of alleged UFO sightings.

Files,” he worked for Britain’s defense ministry and became a leading commentator on extraterrestrial matters.

A string of so-called "mysterious deaths and disappearances" prompted speculation that the incidents were connected.

On March 31, U.S. Rep Anna Paulina Luna requested full disclosure from the Pentagon regarding "Unidentified Aerial Phenomena ...

For generations, human beings have wondered: What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It's a question that can produce some, well ...