Mach 10, ten times the speed of sound, would be about 7,600 mph. It hasn't been reached yet, but could a pilot even survive ...

Hot exhaust shooting out of the back of the jet propels it forward at high speed. At a post-flight ... reaching almost Mach 7. However, with NASA now dedicating the bulk of its resources to ...

This Is Strange: The X-43A Hyper-X was NASA's groundbreaking scramjet-powered experimental aircraft, setting records in 2004 by reaching speeds close to Mach 10 ... rates of speed when traveling ...