Boom Supersonic passed a major milestone last month when its XB-1 prototype became the first civil aircraft to break the sound barrier over the continental US. Less than a month later, Chief Test ...

MOJAVE, Calif. (WGHP) — Boom Supersonic broke the sound barrier again Monday, after a successful flight last month. On Feb. 10, Boom Supersonic performed another supersonic flight with its ...

Faster planes require more fuel, and alternatives may not be the climate solution the industry hopes for. Boom Supersonic broke the sound barrier in a test flight of its XB-1 jet last week ...

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according to Boom Supersonic. The test flight for the Boom Supersonic XB-1 ...

Boom Supersonic announced Monday that its airliner could fly above Mach 1 without producing a sonic boom audible from the ground. As Concorde could only fly supersonic over water, this discovery ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10 ...