As expansive as the sci-fi genre is within cinema, too many great movies are completely forgotten by audiences, like Moon and The Quiet Earth.

From escapist adventures like Star Wars to piercing, cerebral dramas like Blade Runner, these sci-fi movies are truly timeless masterpieces of cinema.

With 'Project Hail Mary' opening in theaters, here are several essential films that explore the strange, high-stakes ...

In space, no one will hear you learn life lessons about being a good person.