Lightspeed is an American online fantasy and science fiction magazine. John Joseph Adams edits and publishes the magazine. The first issue was published in June 2010 It is published every month. The magazine publishes four new, original stories and four reprints in every issue. It also includes interviews with the authors and other nonfiction. All of the content published in each issue is sold as as an ebook and for free on the magazine's website. "Lightspeed" also makes a free podcast with some stories. Stefan Rudnicki produces the podcast.