or how wind changes in speed and direction with height. Vertical wind shear is present nearly everywhere on Earth, since winds typically move faster at higher altitudes than at the surface.

The stream, known as the solar wind, helps ward off rays that are harmful to Earth and can help create the northern lights on planets. One day last December, it disappeared as it approached both ...

Like a supersonic jet being blasted with high-speed winds, Earth is constantly being bombarded by a stream of charged particles from the sun known as solar wind. Just like wind around a jet or ...