Planes that fly faster than the speed of sound create thunderous supersonic booms. But with NASA's X-59 plane, that could change. The space agency plans for the aircraft's first flight in 2025, an ...

The fastest plane ever created could reach up to 4,520mph - the equivalent of going from London to New York in just 45 minutes. It was called the NASA/USAF X-15 and it was an experimental aircraft ...

The few full-scale piloted X-Planes of the 21st century have largely been prototypes for new military fighter jets rather than scientific research aircraft. But thanks to a commitment from NASA ...