This unusual interceptor aircraft shocked engineers and pilots alike when it accidentally broke the sound barrier. Discover the surprising story behind one of aviation’s most unexpected high ...

A "son of Concorde" aircraft that may one day fly from New ... An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier. The Colorado-based company says specialized ...

NOVA: The obstacles to breaking the sound barrier were the aircraft design itself and the building of a propulsion capable of pushing a plane that fast. Would you say that those were equal challenges?

NASA's X-planes were some of the most experimental aircraft ever created ... planes in order to accomplish goals like breaking the sound barrier and flying at high altitudes.

(Boom Supersonic/NASA via SWNS) By Dean Murray A "son of Concorde" aircraft that may one day ... Boom Supersonic's XB-1 jet breaking the sound barrier. The Colorado-based company says specialized ...