NASA was forced to destroy its X43-A hypersonic test vehicle today over the Pacific Ocean when its Pegasus launch vehicle veered of course. The test was being staged from Edwards Air Force Base in ...

Summary and Key Points You Need to Know: The NASA X-43 was a groundbreaking hypersonic aircraft developed under the Hyper-X program in the late 1990s. It set records, reaching speeds of Mach 9.64 ...

The flight, originating from NASA's Dryden Flight Research Center, began at 12:40 p.m. PST, as NASA's B-52B launch aircraft carrying the X-43A lifted off the runway.