Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of testing and refinement, a pilot flying the aerospace company’s XB-1 scale ...

A Denver-based supersonic jet company became part of history when it became the company behind the first civically ...

Brandenburg accelerated, and for the first time, hit Mach 1.122, which is 652 knots true airspeed or 750 miles per hour. This became the breakthrough that would see the XB-1 become the first ...