The second installment in the Alien film franchise, 1986's Aliens, has been continuously acclaimed by critics and praised by audiences. "It was all hydraulics and puppetry. There were two guys inside ...

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

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: ...