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 ...

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

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage collected by the U.S. government, though no physical evidence has been submitted to ...

In the following six books, each writer looks to space to skillfully explore what it means to live on Earth. Salvation and ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

The White House on Thursday launched a UFO-themed immigration enforcement website that initially appeared to focus on aliens.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens — with screensavers.

Astrophysicist Neil deGrasse Tyson speaks with CNN's Dana Bash about "never-before-seen files" on UFOs released by the FBI and the Pentagon last week. "Given the testimonies we have heard delivered in ...

Creator Noah Hawley, star Babou Ceesay and more of the 'Alien: Earth' creative team break down Season 1's standout episode, ...