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Wallpapers and Screensavers: Science and Space

Featured Wallpapers

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Sulfur Source

This nonmetallic element both heals and destroys.

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Star Trails

Stunning streaks glow in a purple sky.

Editors' Picks

Featured Screensavers

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Screensaver: Mysterious Earth

See Earth's intricate beauty.

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Screensaver: Visions of Space

See stellar shots of our amazing universe.

More Wallpapers

More Wallpapers

Special Advertising Section

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Enter Sweepstakes

Take a photographic journey through Montana and enter for a chance to win a trip for two!

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Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

Photo Tip of the Week

Long Exposures

When making long exposures, use a remote release to avoid camera movement. If you don't have a remote release, use the camera's self-timer.

More Photo Tips

The Complete National Geographic

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Explore 120 years of amazing discoveries, fascinating maps, and the world's best photography.

Photography Guides

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Guides by National Geographic photographers.

The National Geographic Image Collection Book

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Own images from one of the finest and most extensive image collections on Earth.