-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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Army Futures Command Chief of Staff Maj. Gen. Michael C. McCurry, left, and Vice Chairman of the Joint Chiefs of Staff Adm.

The once-fictional goal of reducing hours-long journeys to just one is now a major step closer. Professor Nicholaus Parziale and team at the Stevens Institute of Technology in the US have offered ...

Rotating Detonation Engines (RDE) have been flown by Venus Aerospace. They use continuous detonation waves for propulsion and provide 15% efficiency gains (in specific impulse or fuel consumption) ...