Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Former U.S. Representative Matt Gaetz has said he was briefed by a United States Army member on a secret breeding program between aliens and humans. Speaking on right-wing podcast The Benny Show, ...

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...