From experimental rocket planes to Cold War spy jets, the fastest aircraft in history pushed far beyond what engineers once ...

Key Points and Summary - The X-15 was a rocket-powered research aircraft that pushed human flight to the edge of space and deep into the hypersonic regime. -Air-launched from a B-52, three X-15s flew ...

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 ...

Stratolaunch may conduct a hypersonic test flight in the coming days from California's Mojave Air & Space Port. The company uses the world's largest aircraft, Roc, to launch its uncrewed, reusable ...