Science fiction (********* shortened to sci-fi or SF) is a genre ** speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, *** extraterrestrial life. ** has been called the "literature ** ideas", and often explores the potential consequences of scientific, social, and technological innovations.

Science fiction, whose roots ** back to ******* times, is related ** fantasy, horror, and superhero fiction, *** contains many subgenres. Its exact definition has **** been disputed among authors, critics, scholars, and readers.

Science fiction literature, film, television, and other media **** become popular and influential over **** of the world. Besides providing entertainment, it can also ********* present-*** society, and is often **** to inspire a "sense of wonder".

*** ***** invasion featured in H. G. Well/s 1897 novel *** War of the Worlds, as illustrated by Henrique Alvim Corrêa.

Space exploration, as predicted ** August 1958 by the science fiction magazine Imagination.