Releasing monthly magazines since 2006, Clarkesworld is an American science fiction and fantasy magazine which contains at least two pieces of original fiction from both new and established authors along with non-fiction articles. Authors published so far are; Elizabeth Bear, Sarah Monette, Catherynne Valente, Caitlin R. Kiernan, Kij Johnson, Peter Watts and Jeff VanderMeer.
Along with the monthly magazines, which are available in both EPUB and Kindle MOBI formats, Clarkesworld releases annual anthologies, collecting together all the original fictions from the previous year and publishing in trade paperback and hardcover under the title REALMS.
Podcasts of Clarkesworld fiction is also available, released twice monthly.
Visit Clarkesworld: http://clarkesworldmagazine.com