For nearly 50 years, the “Alien” franchise has terrified, thrilled, and fascinated audiences. It all began in 1979 with Ridley Scott’s “Alien,” a claustrophobic horror masterpiece that introduced ...

Do aliens exist? Based on how many alien invasion movies there are, you'd be forgiven that there's gotta be some proof of extraterrestrial life—and that the aliens are out to get us here on Earth. But ...