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

The Predator movies have all had different characters, but there was a major Predator cameo we never got to see in Predator 2 ...

It turns out that the already frightening Facehugger xenomorph from director Ridley Scott's 1979 sci-fi horror classic "Alien" was actually scaled back a bit from its original design by artist H.R.

It was a close encounter of the Schiff kind. President Trump made an out of this world jibe when he was allegedly briefed on alien “hybrids” living among humans, a congressman claimed this week.

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.