As Trump orders UFO file release, scientists debate a deeper question—if aliens exist, what would they think of humanity?

It is not the least of this world’s wonders that it’s been nearly half a century since Ellen Ripley, in the person of Sigourney Weaver, sent the Alien, in the person of a person in an Alien suit, ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening ...

Alien: Earth suggests a future where consciousness isn't confined to the body you're born in, but is this a realistic possibility, or merely science fiction? We spoke to experts to find out. When you ...