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

There are all sorts of things flying around the universe that we earthlings haven't yet figured out how to identify.

Former CIA-funded researcher Hal Puthoff says trusted insiders told him four alien species are linked to recovered UFO craft, including 'Reptilians and Insectoids,' but offers no direct evidence.

Decades of once‑secret US military reports, videos and witness accounts reveal strange glowing objects in the sky that ...

As the filmmaker releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously.

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

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

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 ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a ...

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