The Douglas X-3 Stiletto fell short of Mach 2 but revealed roll coupling risks and advanced titanium use in early supersonic ...

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

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

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

Aerospace startup Hermeus has taken another step toward challenging the Lockheed SR-71 Blackbird’s legendary supersonic speed ...

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

Two aviation companies in Greensboro, N.C., are developing new aircraft designs that aim to double flight speeds and halve ...

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

A museum is celebrating 50 years since the prototype airliner Concorde 002 made its final flight and became one of their most popular permanent exhibits. The aircraft is on show at the Fleet Air ...

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

Lockheed Martin's experimental supersonic plane has officially entered production, the defense giant announced Friday. Earlier this year, NASA awarded Lockheed a contract worth nearly $250 million to ...