In 1954, Britain launched an ambitious program to build one of the fastest aircraft in the world. The project called for a revolutionary jet capable of maintaining speeds near Mach 2.75 for extended ...

The race to field reusable hypersonic aircraft got a whole lot hotter last month, with GE Aerospace announcing a breakthrough in high-speed jet engine design that could potentially allow conventional ...

An RTX teaser spotlights its XA103 engine, as Pratt & Whitney vies with GE Aerospace to supply engines for the proposed F-47 ...

American defense contractor Hermeus announced it conducted the first flight of the Quarterhorse Mk 2.1 prototype, will ...

The idea sounds like science fiction at first glance. A small American firm, Stavatti Aerospace, is pitching a “bat wing” combat jet called the SM 39 Razor to the United States Navy. On paper, this ...

NASA has embarked on exploring the possibility of a Mach 4 passenger jet, sparking the potential for drastically faster air travel than what is currently available. Recent endeavors by NASA have ...

Summary and Key Points: The Douglas X-3 “Stiletto,” designed to research sustained supersonic speeds and achieve a maximum speed of 2,000 mph, ultimately fell short due to being severely underpowered.