(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. (CNN) — In space, no one can hear you scream, ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Alien: Earth officially has Ellen Ripley's seal of approval, as the new show can now count Alien franchise legend Sigourney Weaver among its fans. "What I admire about it is it's not Alien-centric," ...

(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 ...