NASA’s experimental X-59 aircraft marked a major milestone Friday, June 5, when it flew faster than the speed of sound for the first time, setting the stage

The aircraft forms part of NASA’s broader effort to revive supersonic air travel in a way that is quieter and more commercially practical than Concorde.

NASA's $247-million jet dubbed the 'Son of Concorde' is about to take to the skies for its first supersonic test flight.