The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...

PARIS (Reuters) – A French fighter jet broke the sound barrier on Wednesday as it scrambled to join a commercial jet that had lost contact with air traffic control, causing a sonic boom that ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time. Boom Supersonic's ...