Escape Pod is a science fiction podcast magazine. They are fairly flexible on what counts as science and are interested in exploring the range of the genre. They want stories that center science, technology, future projections, and/or alternate history, and how any or all of these things impact individuals and society. Short stories for original fiction should be between 1,500-6,000 words. According to their guidelines, they pay USD $0.08 per word for original fiction and USD $100 per story for reprint fiction, and cover any transaction fees. To learn more, refer to this page.