-NASA’s X-43A was a black, wedge-shaped test vehicle that did something once thought impossible: it proved an air-breathing scramjet could fly at hypersonic speeds, reaching Mach 7 and then Mach 9.6 ...

Article Summary - NASA’s Mach 10 Dream: Can the X-43A’s Legacy Go Operational? -In 2004, NASA’s X-43A set the air-breathing speed record at Mach 9.6, validating scramjet combustion but only for 10 ...

Despite claims of Mach 2.54, pilots report that the fastest speeds achieved in practice are Mach 2.25–2.3 in brand-new ...

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft. Their ...

Army Futures Command Chief of Staff Maj. Gen. Michael C. McCurry, left, and Vice Chairman of the Joint Chiefs of Staff Adm. Christopher Grady, right, toured Notre Dame's Turbomachinery Laboratory on ...