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

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.

Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

Here's a rundown of 21 celebrities who believe aliens are real, and what they've said about our extraterrestrial neighbors. "It’s my first film that will be considered science fiction that I do not consider to be science fiction,

Yes, the church still employs exorcists. No, they aren’t allowed to call UFOs demons.

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

When ET phones, don’t pick up. Scientists have outlined a set of protocols for responding to extraterrestrial contact, including a bizarre directive to refrain from answering cosmic correspondence. Adopted by the International Academy of Astronautics (IAA),

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.