This fall, NASA scientist Kris Bedka flew into Hurricane Helene to test a device that uses lasers to create ultradetailed wind measurements. It could be the key to unlocking better storm predictions.

The simplest definition of wind is air in motion. Wind is generated by uneven pressure in the atmosphere, which is caused by uneven heating by the Sun, land, and oceans. The air closest to the ground ...

The trade winds are permanent east-to-west prevailing winds that flow in Earth's equatorial region, blowing mainly from the northeast in the Northern Hemisphere and from the southeast in the Southern ...