Analog Science Fiction and Fact is an American science fiction magazine. As of 2013, it is the longest running continuously published magazine of that genre, the June 2015 issue being number 1,000. Initially published in 1930 in the United States as Astounding Stories as a pulp magazine, it has undergone several name changes, primarily to Astounding Science-Fiction in 1938, and Analog Science Fact & Fiction in 1960.