Some snowflakes are made of a single ice crystal while other, more elaborate, snowflakes are made of as many as 200 ice crystals fused together.
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Layers of Earth's atmosphere: troposphere, stratosphere, mesosphere, thermosphere and exosphere.
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Will freezing rain cause an ice storm? Will it rain or snow? Each of these different types of precipitation is possible with a winter storm.
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A strong hurricane can spell disaster. These huge storms are the most powerful of all weather systems. Learn about how they form and the impacts they can have.
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Good air quality is critical for maintaining life on Earth. But what is air quality and why does it change?
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Earth’s climate is warming due to human activities that increase the amount of greenhouse gases in the atmosphere - not because of the Sun. The Sun does influence Earth’s climate over longe scales of time, but not enough to account for the rapid warming of recent decades.
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