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 flight path was as complex as the propulsion physics. Hauled aboard a B-52B to 40,000 feet, the X-43A and its altered Pegasus booster were dropped over the Pacific. The booster propelled the stack ...

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

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 ...

NASA’s X-43A, a groundbreaking hypersonic scramjet vehicle, achieved an unprecedented speed of Mach 9.6, solidifying its status as the fastest atmospheric combustion-engine air vehicle in the world.