Topics

Research in Action

Images reveal the amazing world of science.
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Rivers

Rivers erode the land and carry sediment into the ocean.
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National Parks

There are 59 national parks in the United States.
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Glaciers

Glaciers are giant rivers of ice.
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Coral Reefs

Coral reefs support entire ecosystems of animals.
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Endangered Species

Endangered species are those in danger of extinction.
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Clouds

Clouds are made up of billions of tiny water droplets or ice crystals.
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Lightning

Lightning is basically a giant spark of static electricity.
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Caves

Caves can range in size from single rooms to miles-long passageways.
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Volcanoes

Most of Earth's volcanoes are located along the Pacific Ring of Fire.
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