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About the Earth
Photo: Lava oozes from Kilauea, Hawaii Volcanoes National Park

Inside the Earth

Join Earth Anatomy 101.

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Photo: Rice paddy in China valley

Surface of the Earth

These landforms make up our world.

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Photo: Volcano crater in Ethiopia

Dynamic Earth

Our world's always changing.

Get the Facts
Photo: Space shuttle view of Hurricane Gordon

Earth's Atmosphere

What's in our air?

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Did You Know?

Weightless Where?

At the center of the Earth you would be weightless because gravity would be tugging at you equally in all directions.

News: Latest Earth Stories

SPACE PHOTOS THIS WEEK: Giant Star, Mars Aurorae, More
SPACE PHOTOS THIS WEEK: Stellar Nurseries, Paloma, More
VIDEO: Three Volcanoes Spew
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Photo: Mount Kinabalu, Malaysia

Photo Gallery: Mountains

Variously regarded as blemishes of nature, gods to worship, or challenges to conquer, mountains have captivated humans for ages. Take a closer look at these mystical monoliths.

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Photo: Rock formations

Quiz: What's Your Earth IQ?

Dig into its interior, peer into its atmosphere, explore its landforms, and witness the dynamic forces that shape and sculpt our planet.

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Photo: Waterfall and turquoise water on Baffin Island

Photo Gallery: Erosion and Weathering

The dual forces of weathering and erosion continue to shape the Earth and form some of its most amazing landscapes. View their handiwork—from glaciers to sand dunes, waterfalls to gorges.

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Photo: Pink chalcedony

Photo Gallery: Minerals

From coal and calcium to silver and diamonds, minerals are essential to human health as well as valued commodities. View some of the most striking forms of Earth's minerals.

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Earth Topics

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Photo: Hot spring in Ethiopia's Danakil Depression

Pathways to a Greener World

Join the climate conversation.
2008 Grand Prize Winner

Photo Gallery

See who won this year’s grand prize trip to the Grand Canyon!

Earth Right Rail Promos

Order Human Footprint on DVD Today
Image: Cover of Human Footprint DVD

Discover the extraordinary impact that an average human life has on the world.

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Support Conservation
Photo: Two penguins

Help conserve the world's natural resources.

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The Green Guide
Photo: Green flower

Get tips for helping the environment.

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National Geographic Kids

Image: A cross-section of the human head

Play games, watch videos, and much more in this just-for-kids site.

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