Thanks to upgraded engines and advanced computers that monitor weather in real time, Boom Supersonic achieved the holy grail ...

During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.

Moments before the Philadelphia plane crash, a doorbell camera captured the sound of the Learjet's screaming engines, followed by the blinding fireball. Video provided by Kiara Rios.

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 direction, ...

Authorities are searching part of Alaska's western coast for an aircraft that went missing while carrying 10 people.