For several months, the X-59 has been taking part in a series of tests known as envelope expansion.

NASA's X-59 jet is on the verge of finally breaking the sound barrier as the agency looks forward to the aircraft's first ...

On Monday, the Atlanta-based aerospace company Hermeus confirmed a key flight milestone after its ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA’s "quiet" supersonic X ...

Built by aerospace contractor Lockheed Martin Skunk Works, the X-59 is designed to fly at supersonic speeds with minimal noise. During the inaugural flight, the aircraft traveled from the Skunk Works ...

NASA and Lockheed Martin debuted their first test run of a low-volume supersonic jet that’s expected to allow air passengers to travel faster than the speed of sound. The X-59 aircraft soared Tuesday ...

PALMDALE, California >> NASA’s X-59 supersonic-but-quiet jet soared over the Southern California desert on Tuesday in the first test flight of an experimental aircraft designed to break the sound ...

The X-59 is designed to travel faster than the speed of sound without creating a loud sonic boom. The ultimate goal is to prove that quiet supersonic flight is a viable option for commercial airlines.