The best alien invasion movies feature the most exhilarating stories about extraterrestrial visitors, from War of the Worlds ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Alien Day was this past ...