NASA captures a historic image of the XB-1 supersonic jet breaking the sound barrier without a loud boom, marking a breakthrough.

Sierra Space and Radian have developed spaceplanes that reach almost 18,000 mph for entering orbit and visiting private space ...

But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...

Lockheed Martin's X-59 QuessT with quiet SuperSonic Technology. The X-59 will reduce the loudness of a sonic boom. Credit: Space.com | foortage courtesy: Lockheed Martin|edited by Steve Spaleta Music: ...