Boom Supersonic passed a major milestone last month when its XB-1 prototype became the first civil aircraft to break the ...

The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...

A supersonic Boom Supersonic flight across the United States — beginning potentially as early as 2029 — could be at least 90 ...

A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on ...

Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.

US aerospace firm Boom Supersonic is expecting to reach design freeze on the Overture supersonic passenger aircraft in about ...

A supersonic jet built by Boom Technology broke the sound barrier for the first time Tuesday, advancing its bid to resurrect high-speed passenger flights.

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 ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

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 ...

Boom Supersonic’s XB-1 aircraft has become the first independently developed jet to break the sound barrier, bringing ...

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and 11:45 a.m. Mach 1 is equal to the ...