The test flight took place in the same Mojave Desert area in California where Charles "Chuck" Yeager first broke the sound ...

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 ...

Less than a year from the maiden flight, the first civil supersonic jet made by a private company aims to demonstrate ...

The Colorado-based company is aiming to build a Concorde-like supersonic aircraft—but has hurdles to clear before realizing ...