Commercial supersonic flight sped closer to returning as the Boom Supersonic XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10, 2025, in the skies over the ...

Ever since the ahead-of-its-time Concorde jet was retired in 2003, aviation enthusiasts have eagerly awaited the return of a passenger aircraft capable of breaking the sound barrier. That dream is now ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the same outing ...