Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on its 13th and final test flight.

Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO ...

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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 ...

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during a supersonic test flight. The last flight of a supersonic airliner, ...

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.

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

American firm Boom Supersonic’s XB-1 has once again reached supersonic speeds without producing an audible boom, following ...

It took off with a bang. Boom Supersonic’s XB-1 jet broke the sound barrier for the first time on Monday as the American company seeks to deliver the world’s faster airliner capable of ...

More than 20 years since the final Concorde flight, is a small US start-up now on course to bring back supersonic air travel?

Boom Supersonic independently designed and built the XB-1, the first civil supersonic jet in America. The XB-1's first ...

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.