A prototype of a passenger jet designed to ... 770 miles per hour — is an important milestone in the quest by Boom Supersonic, a Denver-based startup, to resurrect high-speed air travel 22 ...

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil ...

Boom Supersonic's XB-1 prototype is the first civilian aircraft ... predicting that the market for supersonic passenger jets could be "easily over 1,000 aircraft". The XB-1 is a small prototype.

NASA teams on the ground used Schlieren photography to capture the shock waves around Boom Supersonic’s demonstrator ... now almost 55 years since the 002 prototype for Concorde first flew ...

A small prototype jet has broken the sound barrier ... "10% faster than the speed of sound", said Sky News. Boom Supersonic, the Colorado-based company that made the jet, hailed its test flights ...

Boom Supersonic passed a major milestone last month when its XB-1 prototype became the first ... 1.7—about twice as fast as modern subsonic jets. Because XB-1’s design created a Mach cutoff ...

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom ... as subsonic passenger jets, but still slightly ...

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic's XB-1 is the first civilian aircraft ... 1.7.

But if Overture is able to reach supersonic speeds without creating the boom, it could potentially fly over populated areas, opening up routes now served by conventional passenger jets but twice ...