NASA's experimental supersonic X-59 jet designed to travel faster than the speed of sound is preparing for its second flight ...

The last week of October, NASA successfully tested its first quiet supersonic jet in a short, low-speed flight over the California desert. The purpose of the test was not to review speed, but to check ...

Supersonic jet engines were designed to push airliners past the sound barrier, not to keep racks of GPUs humming. Yet the same technology that could return high-speed passenger flight is now being ...