Science fiction (sometimes referred to as sci-fi or merely SF) is a type of speculative fiction which typically deals with creative and innovative concepts like innovative science and engineering, space exploration, time travel, parallel universes, and extraterrestrial existence. It's been known as the"literature of ideas", and frequently explores the possible consequences of social, scientific, and technological inventions.
Science fiction, whose origins go back to early times, is linked to horror, fantasy, and superhero fiction, and comprises several subgenres. Nevertheless its specific definition has been contested among writers, critics, and scholars.
Science fiction literature, film, artwork, and other websites have become popular and powerful over a lot of the planet.