When planes exceed Mach 1 (the speed of sound, or about 767 miles per hour—1,234 kilometers/hour for those using the metric ...

Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...

As global air traffic continues to grow, the aviation industry faces mounting pressure to reduce aircraft noise ...

The location was symbolic, as it was the same California airspace where Chuck Yeager broke the sound barrier for the first time in 1947 in the Bell X-1, a rocket engine–powered aircraft that was ...