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 ...

Hermeus, a venture-backed defense aviation company, today announced it successfully flew its latest Quarterhorse aircraft, ...

Why the Navy's Mach 2 V/STOL XFV-12 fighter failed vertical lift tests and was canceled in 1981 amid shifting carrier strategy.

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

NASA's X-59 QueSST aircraft is set to revolutionize supersonic travel by replacing loud sonic booms with a quiet thump. Engineers are focusing on noise reduction, but managing the heat generated at ...

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

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

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, ...