American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...

Boom Supersonic achieved Tuesday its goal of breaking the sound barrier on its first attempt with the XB-1 prototype of its Overture aircraft — and then repeated the feat two more times.

breaking new ground on each liftoff. For example, during its most recent flight, which occurred on Jan. 10, the XB-1 nosed right up to the edge of the sound barrier, reaching Mach 0.95.

The SR-71 was so fast that when fired upon with a surface-to-air missile, the SR-71 could simply accelerate and outrun it. Perhaps no aspect of human flight captivates the public’s imagination like ...

Written with all of the fierce intelligence and passion for truth that millions have come to expect from Amy Goodman’s reportage, Breaking the Sound Barrier is, in Arianna Huffington’s words ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ... to ever-faster maximum speeds. Breaking space news, the latest updates ...

Boom Supersonic expects to break the sound barrier for the first time Tuesday ... Bevacqua piloted the high-altitude U-2 jet, and later, the SR-71. His early missions, he said, involved ...