-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 ...

LOS ANGELES (AP) - A tiny unmanned NASA "scramjet" soared over the Pacific Ocean Tuesday to demonstrate a radical new engine technology by attempting to fly at a record speed of about 7,000 mph, ...

The Langley Research Center maintained an active hypersonic research program from the early days of the formation of NASA in 1958. The goals of the Hypersonic Research Engine (HRE) project, which ...