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.

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

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

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

A startup wants to revive the Concorde for the generations of flyers that missed out, without the noisy boom and the up to ...

Boom Supersonic plans to build the world’s fastest airliner, Overture, and this week announced a breakthrough in the ...

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

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

Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...

When planes exceed Mach 1 (the speed of sound, or about 767 miles per hour—1,234 kilometers/hour for those using the metric ...

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.