The X-59 "quiet" supersonic jet was designed to break the sound barrier without producing the thunderous sonic booms that ...

NASA has completed the engine ground tests on its supersonic jet, which is expected to take to skies later this year. The X-59 jet is Nasa and Lockheed Martin’s joint offering, which the ...

"If you break the sound barrier at too low of an altitude or too high a speed, those rays will hit the ground, and that's when you hear a sonic boom ... unveiled their X-59 in Palmdale, California.

That test was also conducted at Skunk Works, with the engine run-up at low speeds to check for leaks ... To help reduce its sonic boom, the X-59 has been designed in such a way as to produce ...