Piloted by former US Navy aviator Tristan "Geppetto" Brandenburg, XB-1 took off from the Mojave Air and Space Port in ...

Boom’s XB-1 jet breaks sound barrier on first supersonic flight - Boom’s inaugural XB-1 supersonic test flight reached speeds ...

By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

The X-59, part of NASA's Quesst program, completes afterburner testing for supersonic speeds with reduced noise.

MOJAVE, California—High-speed airliner developer Boom took a major leap toward the development of its Mach 1.7 Overture ...

Aviation startup Boom Supersonic announced its XB-1 demonstrator broke the sound barrier for the first time over in California ...

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the ...

Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

Boom Supersonic has gone, well, supersonic, its XB-1 prototype breaking the sound barrier today in the skies over the Mojave ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...