Control, can be flown in the U.S. without a license, but using its more advanced features may breach FAA rules.

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly ...

NASA’s X-59 supersonic jet completed its first test flight on Tuesday, flying at subsonic speeds of 230 mph over the desert ...

Lockheed Martin's revolutionary X-59 supersonic jet completes first test flight, designed to break sound barrier with quiet 'thump' instead of sonic boom.

NASA did not announce the flight publicly ahead of time. Following the flight, acting NASA administrator Sean Duffy praised ...

NASA's X-59 supersonic-but-quiet jet soared over the Southern California desert on Tuesday in the first test flight of an ...