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 more.

It's an invigorating chase thriller, but where Spielberg once seemed to be leading the culture, he's now following decades of lore and mythology.

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts said.

The Pentagon on Friday began releasing “never-before-seen” files relating to unidentified anomalous phenomena — previously and more infamously known as unidentified flying objects, or UFOs — that the government has been holding onto for decades –The files have been a source of intrigue and fascination for generations of skeptical Americans wondering if we’re alone in the universe.

Donald Trump's latest release of declassified UFO files has renewed scrutiny of one of the most enduring questions in modern science and politics: do aliens exist? The newly published material adds to a growing body of government videos,

There has been incredible interest in the UFO files released by the U.S. government. But even these documents and videos aren’t enough proof for everyone.

The new Pentagon website includes 162 declassified files on UFOs, or unidentified aerial phenomena. Some experts wonder if they contain anything new.