Boom Supersonic flew its XB-1 test jet at about the speed of sound, a major step as the company works toward the daunting job ...

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according ...

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

A sleek white aircraft became the first independently developed jet to break the sound barrier, tearing through the air tens ...

The sound from the fighter jet is trapped inside its shock wave ... supersonic aircraft with a less disruptive sonic boom. Boom Supersonic don’t plan to fly supersonically over land.

American aircraft company Boom Supersonic proved their name by successfully flying their civilian jet, the XB-1, faster than the speed of sound over the Mojave Desert Tuesday.

A sleek white aircraft became the first independently developed jet to break the sound barrier ... according to Boom Supersonic and live video of the test flight. The flight at the Mojave Air ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier ... and Mach number until we inevitably make that sonic boom," Nick Sheryka, c hief ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier ... land to limit damage from forceful sonic booms, which can rattle buildings ...