While the SR-71 Blackbird gets all the press, the rocket-powered X-15 has its own richly deserved place in the aviation history record books: on October 3, 1967, U.S. Air Force test pilot William ...

The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space. The Neil Armstrong biopic, First Man, starring Ryan Gosling as ...

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, ...