Boom Supersonic's XB-1 demonstrator aircraft soared past the speed of sound in a test flight on Tuesday—the first time a plane has accomplished that feat without the fuels of government ...

“There we are!" said Mike Bannister. "XB-1 is supersonic, faster than the speed of sound.” Bannister, a former pilot of the Concorde supersonic plane, made the call as the experimental XB-1 ...

Pilots have been exploiting the augmented jet stream to coast across the Atlantic Ocean at speeds of up to 840 mph — which is faster than the speed of sound, the outlet reported. The planes didn ...