NASA's "quiet" new supersonic jet, the X-59, just passed a key engine test, bringing it closer to its first flight later this year.

The Quiet SuperSonic Technology aircraft is America's newest experimental plane. A time-lapse video released by NASA in early 2020 shows the progress of the X-59, which has been referred to as the ...

NASA’s X-59 quiet supersonic test aircraft is edging closer to its first flight, having successfully completed a series of critical tests designed to refine its performance, safety, and airworthiness.

American space agency NASA performs another critical test on the X-59 experimental aircraft, moving one step closer to first flight.