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

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

Happy Alien Day! And no, not for any supposed extraterrestrial beings watching from the shadows of our solar system, but for the iconic franchise that first began back in 1979. It ...

Not every alien is trying to invade Earth, but if you're looking for the thrills and danger of an alien invasion, you can't ...