For the second time in just over nine months, an Atlanta-based company this week debuted a new supersonic test aircraft.

US start-up Hermeus has flown its first supersonic-capable aircraft, the Quarterhorse Mk 2.1, marking a significant step ...

A US aerospace startup has successfully flown the latest prototype of its high-speed remotely ...

NASA's X-59 QueSST aircraft is set to revolutionize supersonic travel by replacing loud sonic booms with a quiet thump.

Hermeus successfully flew its latest Quarterhorse aircraft, marking the company’s second first flight in less than a year.

COLORADO SPRINGS—Atlanta-based aircraft developer Hermeus has successfully completed the first flight of its Pratt & Whitney ...

Hermeus says it flew Quarterhorse Mk 2.1 at Spaceport America, launching a flight-test campaign aimed at reaching supersonic ...

If you're a fan of high-tech aircraft, you're going to love this! A much-awaited unveiling and a promise to revolutionize commercial aviation. “Today we are witnessing history,” said John Clark, ...

Add Yahoo as a preferred source to see more of our stories on Google. Aviation history was just very quietly made in the skies of Southern California. NASA’s X-59 supersonic jet completed its first ...

Air Force veteran recalls past T-38 experience with emergency during solo flight.

Humankind is always on a quest for speed: You can ride the fastest rollercoaster in the world, the Formula Rossa, at Ferrari World in Abu Dhabi, and the fastest land speed record was achieved in 1997 ...