In short: they are connected; This is the same Alien universe. But also in short: don't worry about it too much.

Those who were frightened out of their skin when “Alien” burst to life in 1979 are in for another chill. Hulu is streaming ...

If you've ever seen the movie "Alien," you know this scene. JOHN HURT: (As Kane, groaning).

Alien: Earth, an FX TV series set two years before the events of Alien, presents a scenario in which xenomorphs made it to ...