In March 2025, a missile launched from a test range in the Pacific arced into the upper atmosphere, separated its rocket ...
NASA’s X-43A scramjet aircraft hit Mach 9.64 at 110,000 feet in November 2004—and that record for an air-breathing aircraft ...
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 ...