Concorde and Tupolev are acknowledged as some of the first planes to break the sound barrier, but it wasn't them. Which one actually did it first?

Supersonic passenger jets once promised a world where crossing oceans felt as quick as a long lunch break, yet today the fastest commercial flights still cruise below the speed of sound. The ...

Lockheed Martin announced in a press release the successful completion of an initial test flight for the X-59, a new supersonic airplane designed to cut down on noise concerns for faster commercial ...