But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the next phase is making it economically feasible. Right now, both subsonic and ...

SpaceX is gearing up for a late-night launch from Vandenberg Space Force Base late Thursday night. People in the area will ...

NASA also gathered sound data from the test flight. Boom Supersonic analyzed the data and found that no audible sonic boom reached the ground. This is notable, because supersonic flights that make ...