National Geographic (formerly the National Geographic Magazine and branded also as NAT GEO) is the official magazine of the National Geographic Society. It has been published continuously since its first issue in 1888, nine months after the Society itself was founded. It primarily contains articles about science, geography, history, and world culture. The magazine is known for its thick square-bound glossy format with a yellow rectangular border and its extensive use of dramatic photographs. Controlling interest in the magazine has been held by 21st Century Fox since 2015.