Supersonic aviation startup Exosonic, which was working on commercial and military faster-than-sound jets, shutdown after ...

Boom Supersonic XB-1 demonstrator confirmed safe operation at Mach 0.82 without stability augmentation, clearing a key step ...

THE soon-to-be supersonic XB-1 plane has flown higher than it ever has before in its most recent flight test. The super-fast ...

XB-1 demonstrator did not quite break the sound barrier during its seventh test flight but reached speed and altitude ...

The company had two main projects: a quiet passenger plane capable of Mach 1.8 speed and an uncrewed supersonic aircraft for fighter jet target practice. It had backing from private equity ...

Boom Supersonic's XB-1 aircraft has achieved its fastest speeds yet, blasting towards its goal of surpassing the speed of ...

The Regional SST Oversight Coalition was formed in the wake of a series of successful flights of an SST demonstrator aircraft ...

Boom Supersonic's XB-1 prototype has completed its eighth test flight, during which the aircraft achieved its highest speed ...