After months of test flights, NASA’s X-59 aircraft is gearing up for its biggest challenge yet: breaking the sound barrier ...

Boom Supersonic's XB-1 test aircraft successfully completed its seventh subsonic flight, setting new speed and altitude records, and is on track for supersonic flight tests by year-end. The XB-1 is a ...

Add Yahoo as a preferred source to see more of our stories on Google. Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a ...

The high-speed uncrewed test aircraft performed its first flight at Edwards AFB, just a year after the launch of the development. Hermeus, a U.S. company aiming to develop hypersonic aircraft quickly ...

Preview this article 1 min Hermeus' unmanned aircraft broke the sound barrier in its third test flight. 40 Under 40 Awards ...

Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight. The Colorado company is working through a flight test program of the XB-1 supersonic demonstrator aircraft, which ...

Summary and Key Points: On October 3, 1967, test pilot William “Pete” Knight flew the rocket-powered X-15 to Mach 6.7 — about ...

Stratolaunch has finally found a use for the world’s largest airplane. Twice in the last five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five ...