The last commercial supersonic flight was almost 20 years ago ... and the first thing we noticed is that there's a TV screen in place of the missing windshield. Nils Larson: So far, I think ...

And some have also suggested that by the time supersonic airliners take to the skies, travelers could have the option of flying to remote destinations by spaceship, which could cut long-distance ...

NASA's new X-59 supersonic jet is a step closer to flight after passing an important ground test in March. Known as "engine speed hold," the test ensured that the X-59 can maintain a specific ...