Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental ...

NASA and Lockheed Martin have completed three engine run tests of the X-59 aircraft for its planned 2025 first flight under ...

American space agency NASA announced it has concluded the ground engine tests for the X-59 supersonic airplane, first flight coming later this year ...

NASA's X-59 quiet supersonic research aircraft has taken another successful step toward flight with the conclusion of a series of engine performance tests.

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

The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...

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

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