Science fiction (often referred to as either Sci-Fi or SF) is a genre of fiction in which at least part of the narrative depends on the impact of science, either real or imagined, to generate settings or events which have not yet occurred in reality (and may never do so).
Robert A. Heinlein, a leading writer of science fiction, wrote "A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method." Science Fiction: Its Nature, Faults and Virtues in The Science Fiction Novel: Imagination and Social Criticism, Advent: Publishers, 1959. (This is a collection of lectures by Heinlein, Cyril Kornbluth, Alfred Bester, and Robert Bloch given at the U of Chicago in 1957). He immediately adds that if you "strike out the word 'future' it can apply to all and not just almost all SF."
Science fiction author Theodore Sturgeon wrote "A good science fiction story is a story about human beings, with a human problem, and a human solution, that would not have happened at all without its science content." quoted in James Blish, More Issues at Hand: Critical Studies in Contemporary Science Fiction (Advent Publishers, 1970) ISBN 091168218X.
More on [ Science fiction ]
Science Fiction and Fantasy :: Genres
Fantasy :: Genres
Science Fiction and Fantasy :: Genres
Science Fiction and Fantasy :: Programs

Sci-Fi Wire - RSS-feed of the daily news service of the Sci-Fi Channel.
Science Fiction Crowsnest - British SF and fantasy web portal. Features an internet search engine, daily news, fiction, reviews, star interviews, comic strips and games.
Meta Description: [ Science fiction reviews and articles. ]
SCIFI.com - Site of the Cable TV Science Fiction Channel. Features a weekly magazine, daily news, web directory, book reviews and bulletin board system.
Fantasy World - Authors, SF news, reviews and a free e-zine.
Meta Description: [ The number one Science Fiction and Fantasy website ]
232.8°C - Articles about SFF, plus the genres' history and biographies of influential authors.
Meta Description: [ Articles about Science Fiction and Fantasy. History how sf/fantasy started, biographies of influent authors in the genre ]
A - Volunteer experts answer questions about various SF novels.
Meta Description: [ Allexperts Science Fiction Books Q&A ]
About.com: Sci-Fi and Fantasy Channel - Daily SFF news updates from About.com guide Julia Houston. You will need RSS reader software to subscribe to this content.
Alternate Headlines - A humorous look at possible newspaper headlines in worlds that might have happened.
Best SF - Short story summaries, reviews, and a collection of links to texts available online.
Meta Description: [ The best in short SF - including a searchable database and links to Hugo, Nebula, BSFA and other award winning short SF, and a comprehensive review section and gateway to online short SF. ]
Course Materials for the Study of Science Fiction - A study guide from a class taught at Washington State university, this site contains information about many SF classics, including hyperlinks to related sites.
Meta Description: [ Index to study guides for various science fiction works, prepared by Paul Brians, Professor of English, Washington State University. These contain much useful information about many SF classics, including hyperlinks to related sites. ]
Dr Tomorrow - Official site of the futurist Frank Ogden.
Emerald City Feed - Reviews of SFF books, conventions and related material.
FutureFiction.com - Reviews of authors and books in the science fiction and fantasy genres.
Meta Description: [ FutureFiction.com: Reviews of books and authors in the science fiction and fantasy genres. ]
Media Fans - Media-related SFF news.
Meta Description: [ james marsters, ben browder, michael shanks, jason carter, alan dean foster, jim butcher, sharon lee and steve miller, funny t-shirts, silly shirts, latin phrases, rude t-shirts, gothic tee ]
MiC Newsletter - Monthly newsletter with Canadian SF literature news, award news, media news, a list of upcoming books and guest editorials.
Nest Daily SFF - RSS feed for daily science fiction news updates.
RSS and Science Fiction: The Definitive Guide - SFF fan's guide to what RSS is, how you get it, and why you should care.
Meta Description: [ RSS and Science Fiction: The Definitive Guide ]
Sci-Fi Storm - RSS-fed source for sci-fi news.
Science Fiction Review Site - Sci-fi and fantasy book reviews, top ten lists, and short stories.
Meta Description: [ Science fiction fan site with scifi and fantasy reviews, stories, resources, books, more ]
SF and Fantasy Book List - Bibliography of science-fiction and fantasy authors and their books. Database also contains links to official and fan sites of various authors where they exist.
Meta Description: [ Science Fiction and Fantasy Book List ]
SF Site: Fiction Home - Reviews and news of short fiction magazines and anthologies.
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SFBookcase.com - Information about new SFF novels and a reference for old novels. Users can recommend authors and rate books.
Meta Description: [ SFBookcase homepage. SFbookcase gives you all of the information about new science fiction and fantasy novels. It also acts as a reference contains information on hundreds of old novels. Users can recommend authors and rate books so that other readers can benefit from their experience. SFBookcase... ]
Speculative Vision - News feed updated monthly.
The Eric Brown Science Fiction Blog - Blog feed for the cyberpunk stories of SFF author Eric Brown.
Vanguard - Feed for the SFF Vanguard Report.
Warpcore SF - SFF short stories, news and reviews.
Meta Description: [ Science fiction and fantasy stories, news and reviews. ]
Warpcore SF - Science fiction and fantasy news and reviews, in RSS 2.0 format.
Xenite.org - Science fiction and fantasy essays in a feed format.
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