Supersonic aviation startup Exosonic, which was working on commercial and military faster-than-sound jets, shutdown after ...

Boom Supersonic XB-1 demonstrator confirmed safe operation at Mach 0.82 without stability augmentation, clearing a key step toward supersonic flight.

Boom Supersonic's XB-1 prototype has completed its eighth test flight, during which the aircraft achieved its highest speed ...

CHINA has unveiled its latest advanced supersonic fighter jet capable of dropping devastating weapons from space. The ...

During the Nov. 5 test flight, which lasted 55 minutes, XB-1 reached an altitude of 23,015 feet (7,015 meters) and a new top ...

XB-1 demonstrator did not quite break the sound barrier during its seventh test flight but reached speed and altitude ...

The company was making progress: It hit a major milestone earlier this year when it flew its first aircraft, a subscale ...

The company was making progress: It hit a major milestone earlier this year when it flew its first aircraft, a subscale variant of its supersonic UAV called EX-3M Trident, in a test flight in ...

THE supersonic jet that could fly passengers from London to New York City in 3.5hours has reached a new top speed in its latest test flight. The XB-1 plane, from Boom Technology, completed its ...

The company had two main projects: a quiet passenger plane capable of Mach 1.8 speed and an uncrewed supersonic aircraft for fighter jet target practice. It had backing from private equity ...