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 ...
Martian winds can have quite an impact. ESA's Mars Express has spotted them whipping up sand grains and acting as a cosmic sandblaster, carving out intriguing grooves near Mars's equator. The ridges, ...
A thousand mile plume of toxic wildfire smoke from the Midwest and southern Ontario are turning Maine skies pink and ...