Boom Supersonic's XB-1 jet went out in style on Monday (Feb. 10). The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave Air ...

On Monday, Boom CEO Blake Scholl revealed that XB-1’s pioneering Jan. 28 flight had also successfully tested the boomless-cruise concept. "We broke the sound barrier not once, not twice ...

Supersonic passenger jet startup says quiet supersonic flight within reach, which would be a major breakthrough for the Denver startup that will build its jets in Greensboro. The lack of a sonic ...

A Lakewood man saw a police chase end with a suspect running away on foot, and he jumped into action. FOX31's Nate Belt spoke with the good Samaritan about his actions that day. Denver police are ...

The supersonic aircraft XB-1 has flown faster than sound for the second time. The aircraft broke the sound barrier three times – and is now being mothballed. The aircraft took off from the ...

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 ...

Ever miss the days of Concorde? Well, I've been tracking Nasa's X-59 "quiet supersonic" aircraft, but the Boom XB-1 is new to me... The company has highlighted the first civil supersonic jet to break ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...