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.

Explore the world of UFOs from all angles with these books covering the history, sociology and weirder takes on the phenomenon.

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

After the famed Betty and Barney Hill encounter in 1961, alleged alien abductions were everywhere—and most of the tales followed the same patterns.

So, are we any closer to the government revealing knowledge of nonhuman intelligence? James doesn't think so.

Neil deGrasse Tyson has had a lifelong fantasy of being abducted by aliens. That’s right, he actually wants to be taken. “I even picture the scenario in my head: I’m sitting out there alone, and a beam of light comes down,

With Steven Spielberg’s “Disclosure Day” due in theaters this week, we give props to the best space invasion movies of all time.