By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

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

The single-seat, three-engine jet is the first independently developed plane to exceed Mach 1 in level flight.

A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on ...