This was the 20th flight and recovery for this Falcon 9 first stage booster, and SpaceX's 341st recovery of an orbital-class ...

Elon Musk's SpaceX said on Friday its upcoming Starship test flight would include the rocket's first attempt to deploy ...

Plus: A startup making quantum integrated circuits, using blue light to make industrial chemicals, the fastest human-made vehicle, the power of raking and more.

Even so, XB-1’s successes stand in contrast to the X-59 program, a government-backed effort to develop “Quiet SuperSonic Technology.” This program began in 2016, and long-established aerospace giant ...