Key Points and Summary - NASA Planned a Mach 15 X-43D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, reaching Mach 7 and ...

An Australian-made hypersonic vehicle completed its first flight late on Feb. 27, propelled to Mach 5-plus speeds by a Rocket Lab HASTE rocket from Wallops Island, Virginia. The scramjet-powered, ...

The Defense Innovation Unit (DIU) and its partners have completed a suborbital launch of a fully integrated hypersonic test ...

For decades, the SR-71 Blackbird stood as the pinnacle of American aerospace engineering, a reconnaissance aircraft so fast and so high-flying that no missile ever caught it. Now, more than 25 years ...

CLEVELAND, Ohio — Launch of the next hypersonic flight experiment under a U.S.-Australian joint program has been scheduled for May 1, from Kauai, Hawaii, carrying a supersonic-combustion ramjet ...