Back in 1979, Ridley Scott revolutionized the sci-fi horror genre with Alien, but several other movies rival its success and influence. Alien brought Sigourney Weaver into the mainstream as Ellen ...

Though this '80s sci-fi horror flick is often thought of as a Gremlins knock-off, the folks behind it say the timing was ...

Sci-fi films are often full of wonder and hope, but when you mix sci-fi with horror, the recipe leads to movies so upsetting ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.