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-cosmos ...

Which Alien is the true Alien? It has to be the first movie, right? You’ve got the snappy Dan O’Bannon script, the atmospheric Ridley Scott direction, and the killer cast putting across a simple plot ...