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Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of ...

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

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

Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on ...

High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time when Boom Supersonic's XB-1 demonstrator reached Mach 1.122.

The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by Tristan "Geppetto" Brandenburg, the company said in a news release. The plane, nicknamed "Baby Boom," took off from Mojave Air ...

Boom‘s chief test pilot Tristan “Geppetto” Brandenburg was at the controls for this first supersonic test flight. He said: “I still get nervous before a flight in XB-1, but I think that’s healthy. If ...

Denver-based Boom Supersonic's XB-1 demonstrator plane, with Chief Test Pilot Tristan "Geppetto" Brandenburg at the controls, hit Mach 1.122, or 750 mph, at an altitude of about 35,000 feet.

The Boom XB-1 reached the speed of sound and beyond During the flight, Boom Chief Test Pilot Tristan “Geppetto” Brandenburg took the XB-1 to 35,290 feet before reaching Mach 1.122 (750 mph).