The company plans to fly the planes at Mach 0.94 – just below the speed of sound – when traveling over land, moving up to ...

Sonic booms are heard on the ground when airplanes fly faster than the speed of sound — typically about 760 mph (1,223 kph) near sea level but varying depending on temperature, altitude and ...

MOJAVE, Calif. - XB-1 became the first American-made private supersonic jet to fly faster than the speed of sound as Boom Supersonic works toward building a fleet of supersonic jets for commercial ...

In the next scene, he flicks cigarette ash to the ground as Yeager shears through the sound barrier in the X-1. “I’m so livid about that,” Goodlin told the San Antonio Express-News in 1997.

Boom Supersonic's XB-1 jet broke the sound barrier for the first time on Monday as the American company seeks to deliver the world's faster airliner capable of carrying passengers between New York ...

Sonic booms can happen when planes fly faster than the speed of sound. People living in and around the nation’s capital experienced a rare, if startling, sound: A sonic boom.

The characteristic crack of the whip results not from the tip’s snapping to the ground but from its literally breaking the sound barrier, producing a small sonic boom. “Obviously, fly-fishermen aren’t ...

NASA has developed special probes that will fly aboard F-15B jets trailing closely behind its X-59 "quiet" supersonic jet in order to measure the shock waves it produces.

Sonic booms are heard on the ground when airplanes fly faster than the speed of sound — typically about 760 mph (1,223 kph) near sea level but varying depending on temperature, altitude and ...