American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...

Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...

It’s the first step in Boom’s ambitious goal to have supersonic airliners carry passengers by 2029. The Mach number is defined as a plane’s speed divided by the speed that sound waves move t ...

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(CNN) — Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first piloted non-military aircraft to ...

It’s now the first piloted non-military aircraft to break the sound barrier since the Concorde was retired from service in 2003. It’s the first step in Boom’s ambitious goal to have supersonic ...