Forty years ago today, on July 18, 1986, 20th Century Fox put a sequel into American theaters that had no business working.

As the peerless "Aliens" turns 40, here are 26 reasons it's still the greatest sci-fi action movie of all time.

Science has always been in the business of uncomfortable ideas. Plate tectonics was laughed out of rooms. The germ theory of ...

Peter Jackson and Richard Taylor mark three decades since their horror-comedy launched the effects house behind 'Avatar' and ...

It has been 39 years since an R-rated sci-fi satire shocked the world, confused many critics, and now stands as a cult ...

" "Game over, man." "Get away from her, you bitch!" Released on July 18, 1986, James Cameron’s Aliens remains a cul ...