Forming 50 miles above Earth's surface, noctilucent clouds offer a rare glimpse into one of the least-understood layers of the atmosphere.

Clouds play a significant role in the heating and cooling of the planet. They warm the Earth’s surface by absorbing the sun’s infrared radiation, and they cool it by reflecting sunlight back into ...

Venus is a planet defined by its clouds. The world’s thick, reflective envelope not only whips around the planet at breakneck speeds, but also helps our nearest neighbor shine brighter than any object ...

Modern weather forecasts rely on complex computer simulators. These simulators use all the physics equations that describe the atmosphere, including the movement of air, the sun's warmth, and the ...