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

Next time you’re eating a sandwich on your holiday flight, pause to think about something. The aircraft type you are flying ...

The list of the most supersonic airplanes in the world, reaching several times the speed of sound, a barrier that once was a challenge to break but now almost every military aircraft can reach. This ...