NASA's experimental X-43A didn't have a pilot and couldn't fly independently, but its blisteringly high speeds showed that ...

Key Points - NASA's X-43A hypersonic research vehicle, part of the "Hyper-X" program, still holds the world record for an air-breathing aircraft, achieving a speed of Mach 9.64 (6,363 mph) in its ...

The craft is part of the US space agency's mission to find a way for ordinary planet travel to become much faster. Find out more here.

The experimental X-59 features a thin nose that spans about one-third of its nearly 100-foot length, designed to break up shock waves. [Courtesy: NASA/Carla Thomas] For the first time, NASA’s quiet ...

A "son of Concorde" that could fly from London to New York in under four hours is preparing for take-off. NASA’s X-59 quiet supersonic research aircraft is undergoing final safety tests before making ...

A "son of Concorde" that could take you from New York to London in under four hours is a step closer to take-off. NASA’s X-59 quiet supersonic research aircraft has officially begun taxi tests, ...