In addition to providing a transition from human-made structures to natural greenery, shrubs can offer privacy or a sound ...

Boom, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California. The company’s XB-1 ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the ...

A newly released image shows the sound barrier being broken on February 10 as America’s first civil supersonic jet completed its second flight at speeds exceeding Mach 1. NASA teams on the ...

Yeager climbed into a Bell X-1 rocket plane and became the first human being to break the sound barrier in level flight. And he did it with two broken ribs. Charles E. (Chuck) Yeager (1923-2020 ...