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 ...

A pilot's theory about the cause of the crash between an American Airlines jet and a military helicopter has quickly gone ...

Here’s What You Need to Remember: The latest American X-plane is once again pushing the ... The X-series of planes are a series of non-production prototype planes that the U.S. Air Force uses ...