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 ...
It stretches from 37 miles (60km ... the equator that scientists call 'crests'. According to NASA, these crests are merging to form an X-shape when viewed from space, similar to the shape of ...