Ever since the retirement of Concorde, the aviation industry has looked forward to the rebirth of civilian supersonic air travel. The question is, will it be an airliner or something else? Spike ...

A compression spike and indications of a bypass duct splitter buried inside the inlet may build on earlier quiet supersonic propulsion concepts studied by Rolls-Royce, NASA and Gulfstream, among ...

Gulfstream has released new drawings of a supersonic business jet design in patent application forms, revealing features such as a telescoping nose, highly-sloped fuselage and variable-geometry wings.