Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we’re ...

In space, no one can hear you watch the Alien movies in order. It might be the perfect organism according to Ash, but the xenomorph's timeline is a bit of a jumbled mess of prequels and origin stories ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...