The fastest air-breathing vehicle ever built was the NASA X-43. Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft measured 12 ...

We take a look at the ten fastest planes ever flown. Though some uncrewed aircraft (like the X-43) have flown faster, they ...

NASA’s X-59 aircraft completed its first flight over the Southern California desert, bringing us closer to traveling at the speed of sound without the explosive, thunder-like clap that comes with it.