An alien invasion might sound like pure science fiction, but a scientist has now revealed what the terrifying consequences of this encounter might be.

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 go wrong with these titles.

A fireball reached 75,000 miles per hour before breaking up miles above New England, NASA said, causing a boom that alarmed ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we’re ...