Add Yahoo as a preferred source to see more of our stories on Google. For nearly 50 years, the "Alien" franchise has terrified, thrilled, and fascinated audiences. It all began in 1979 with Ridley ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...