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

Boom will now shift its attentions toward developing Overture, its supersonic passenger jet.

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first privately funded airplane to break the sound barrier during a test flight on ...

Boom CEO Blake Scholl confirmed that on January 28, the XB-1 successfully broke the sound barrier three times without creating an audible sonic boom. “We broke the sound barrier ...

Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a successful second test flight.

During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a ...

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

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 ...

Boom Supersonic's XB-1 aircraft broke the sound barrier during a test flight in California. The company conducted its 12th test flight of the demonstrator aircraft, pushing the limits as it was ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.

The Boom Supersonic aircraft exceeded Mach 1 after taking off from the Mojave Air and Space Port in California for its highly anticipated 12th test flight.