Uncanny is a magazine of sci-fi and fantasy. They want “intricate, experimental stories and poems with gorgeous prose, verve, and imagination that elicit strong emotions and challenge beliefs.” They pay 8 to 10 cents a word, up to 20,000 words. To learn more, read their submission guidelines.
Analog is the magazine of "science fiction and fact." They publish stories in which some "aspect of future science or technology is so integral to the plot that, if that aspect were removed, the story would collapse. " They pay 8-10 cents a word, up to 7,500 words. That means payment up to $750. They also publish serials and novellas, up to 80,000 words, at 6 cents per word. To learn more, read their submission guidelines.
ClarkesWorld is a monthly sci-fi and fantasy publication. They publish short stories, interviews, and fiction. They pay 10 cents a word for the first 5,000 words, and 8 cents a word after that, up to a maximum of 16,000 words. They also respond very quickly to submissions -- usually 2 days. To learn more, be sure to read their full submission guidelines.
Asimov's Science Fiction is a publisher with quite a lot of awards. Stories they've published have won 53 Hugos and 28 Nebula awards. They pay 8-10 cents a word for short stories up to 7,500 words, and 8 cents a word for longer material. To learn more, read their submission's guidelines.
sub-Q is a publisher of interactive fiction. They publish fantasy, sci-fi, horror, mystery, and mash-up interactive fiction. They pay $0.06 a word for prose, and $0.03 a word for "interactivity." They also accept reprints at $0.03 a word. They prefer to publish works under 3,500 words. To learn more, read their submission guidelines.
Apex Magazine publishes science fiction, fantasy, and horror. They publish stories directly on their website, so you can easily get a sense of what they publish. They pay 6 cents a word, up to 7,500 words.$nbsp; Submission guidelines.
Lightspeed Magazine seeks to publish original science fiction and fantasy stories. According to their website "no subject should be considered off-limits." They pay 8 cents a word, up to 10,000 words. They also accept reprints at a reduced rate. To learn more, read their submission guidelines.
Terraform is an online publisher of science fiction that pays 20 cents a word, up to 2,000 words. They're run by the major website Vice.com. They want a brief synopsis with each submission. They do not respond to every submission. To learn more, read their submission guidelines.
Shimmer is a publisher of speculative fiction with an emphasis on representing diverse voices. They do not want hard SF, rather, they want "unusual and beautifully-written speculative fiction stories with full plots and strong characters." They pay 5 cents a word, up to 7,500 words. To learn more, read their submission guidelines.
Strange Horizons is a speculative fiction magazine that publishes fiction, poetry, reviews, essays, and interviews. They pay 8 cents a word. For their fiction department, they want "speculative fiction, broadly defined." They accept stories up to 10,000 words. To learn more, read their submission guidelines.