Boom Supersonic sans Sonic boom

NASA and Lockheed Martin have completed three engine run tests of the X-59 aircraft for its planned 2025 first flight under ...
Boom Supersonic doesn’t plan to fly supersonically over land. Its plan is to fly over land at Mach 0.94, which it claims ...
NASA's X-59 quiet supersonic research aircraft has taken another successful step toward flight with the conclusion of a ...
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...