According to Roger Ebert, the worst science fiction movies threw away deep themes, replacing human stories with cheap thrills ...

These movies are the pinnacle of 70s sci-fi and the hard science fiction subgenre - priortizing scientific accuracy over blockbuster action sequences ...

Time travel, extraterrestrial life forms, and highly advanced technology are just a few familiar concepts of the science-fiction genre, and with little to no boundaries, the genre has branched out ...

These five science fiction movies were box office bombs when they came out, but each has still had an impact on the genre -- ...