An important part of data collection for the United States space program, the North American X-15 had astonishing performance utilizing the technology of the 1950s and 60s. The North American X-15 was ...

The X-15 is a legendary and pivotal part of aviation history. Designed to fly high and fast, it tested the limits of ...

Last month marked the 65th anniversary of the arrival of the X-15 hypersonic spaceplane, which was developed as a joint project among NASA, the United States Air Force, and U.S. Navy. On October 15, ...

Joe Engle’s Remarkable Career Bridged Gap Between Air and Space, Broke Records. Astronaut, X-15 test pilot and space shuttle pilot Joe Engle has died at home in Houston, Texas. He was 91. Engle passed ...

The X-15 was a key bridge between conventional atmospheric flight and spaceflight. The North American X-15 is one of the most groundbreaking aircraft ever created in the history of aviation and space ...