"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

An astrophysicist who searches for life in the Universe unpacks Steven Spielberg's UFO blockbuster Disclosure Day ...

Characterized by a focus on scientific plausibility and technical detail, the hard sci-fi genre has produced some of the best ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...