Steven Spielberg’s ambitious sci-fi epic starring Jude Law, A.I. Artificial Intelligence, is surging as a free-streaming hit.

While artificial intelligence became part of everyday discussions, these sci-fi movies are still the best explorations on the subject.

Hard science fiction is the sci-fi subgenre that attempts to play by the rules of the real world. The concepts usually kick off from an idea in physics, biology, engineering, astronomy, or psychology ...