'Alien: Earth' may be the most recent installment, but it's set two years before the original 1979 film Nothing is as it seems in the Alien universe — including its fictional timeline. For over 40 ...

(CNN) — In space, no one can hear you scream, but they can sure hear you scratching your head as you try to make sense of the sprawling “Alien” universe. While Ridley Scott’s 1979 haunted-house-in-the ...