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

I first saw the Magellanic Clouds with my own eyes when I arrived at the Cerro Tololo Inter-American Observatory (CTIO) as a postdoctoral researcher in 1998. The Large and Small Magellanic Clouds (LMC ...

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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 ...

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 ...

On a road trip from Phoenix to Washington D.C., you may notice the sky is falling — or at least the clouds are. We often admire the shapes and sizes of those overhead puffs, but the height of those ...