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

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 ...

Alien invasion stories are supposed to be terrifying, but many of the reasons sci-fi gives for attacking Earth fall apart the ...