Redstone Science Fiction was an online science fiction magazine. The first issue was published June 1, 2010 and maintained a regular monthly schedule until the September 1, 2012 issue.Redstone Science Fiction (often called Redstone SF) has published fiction by Cory Doctorow, Mary Robinette Kowal, Ken MacLeod, Cat Rambo, Hannu Rajaniemi, Vylar Kaftan, Lavie Tidhar, and others.