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

Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the speed of sound—last week set speed and altitude records with its XB-1 test ...

People want electric cars to sound more like gasoline-powered vehicles than like flying saucers. That's the conclusion of a survey published this week by sonic branding agency Listen and market ...