When enough water droplets form and cluster together, a puffy cloud forms. But how do the water droplets get there?

Have you ever gazed up at the sky, watching fluffy clouds drift by, and wondered how they really come to be? You might be ...

All clouds form as a result of saturation – that’s when the air contains so much water vapor that it begins producing liquid or ice. Once you understand how certain clouds develop their shapes ...

You can’t see these layers unless the humidity is high enough for the moisture in the layer to condense and form a cloud. Often, you may have a wet layer of air sandwiched between two or more ...

Clouds form because of moisture in the air, and their different shapes tell you what to expect. I’m a meteorologist, and I’ve been fascinated by weather since I was eight years old.

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These differences create thermals which create clouds and pressure differences, leading to wind. An outdoor experiment in a quarry demonstrates how thermals are formed. Paper helicopters are used ...

Clouds form around aerosols -- tiny airborne particles like desert dust and sea salt carried on the wind, or pollution from human activity like burning fossil fuels. Aerosols not only help clouds ...