Boom Supersonic’s XB-1 demonstrator plane just went supersonic in the skies over California’s Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup ...

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 ...

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Boom Supersonic’s XB-1 aircraft has become the first independently developed jet to break the sound barrier, bringing supersonic passenger planes (back) closer to reality. Reaching over 35,000 ...

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 ...

Boom Supersonic, based in Colorado, is developing the world’s first supersonic passenger aircraft since the demise of Concorde. While the full-size aircraft is still a few years away ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...

Boom Supersonic's XB-1 is the first civilian aircraft to achieve the feat since the British-French supersonic airliner, which was retired in 2003. The XB-1 broke the sound barrier for the first ...