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

Slight spoilers below for anyone who hasn’t yet watched the series premiere of Alien: Earth on FX or via Hulu subscription, ...

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

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

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