During the Nov. 5 test flight, which lasted 55 minutes, XB-1 reached an altitude of 23,015 feet (7,015 meters) and a new top ...

But NASA wants to show that faster-than-sound travel is possible without the annoyance of the boom, which is where its X-59 ...

NASA engineers fired the engines on the X-59 research aircraft in advance of planned test flights to determine if the ...

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Lockheed Martin's X-59 QuessT with quiet SuperSonic Technology. The X-59 will reduce the loudness of a sonic boom. Credit: ...

Exosonic, a startup developing supersonic commercial air travel and UAV tech, is winding down after five years of operation.

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Boom Supersonic's XB-1 aircraft has achieved its fastest speeds yet, blasting towards its goal of surpassing the speed of ...

Californian startup Exosonic has closed down after failing to secure additional funding for its supersonic aircraft projects.

American space agency NASA announced it has begun engine testing for the X-59 experimental aircraft, first flight expected early next year.

Using a custom-built machine to launch microprojectiles at supersonic speeds, Cornell researchers have uncovered new details ...

Boom Supersonic's XB-1 hits a new speed milestone of 629 mph, bringing it closer to breaking the sound barrier—setting the ...