"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

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 ...

“It set off car alarms,” Pulsipher said of the sonic boom emitted during SpaceX’s Flight 5 Starship test flight when the Super Heavy booster landed back at its launchpad. From Pulsipher’s ...

That's because SpaceX says it's possible that residents of Santa Barbara, San Luis Obispo and Ventura counties could hear one or more sonic booms during the launch, although that will ultimately ...