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Photo Galleries: Science and Space

Featured Galleries
Photo: Eyeball-shaped Helix Nebula

Nebulae

See cosmic cloud formations in a whole new light.

See Gallery
Photo: Skin substitute

Skin

What makes up our largest organ?

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Editors' Picks Galleries
Photo: View of galaxy cluster with black hole at center

Black Holes

Photo: Angiogram of healthy heart

Heart

Photo: Space shuttle liftoff

Space Shuttle

Image: Painting of a dimetrodon

Permian Period

Photo: Uranus

Uranus

Photo: T. rex skeleton on display in museum

Cretaceous Period

Photo: Man in mask surrounded by volcanic ash and smoke

Lungs

Photo: Two men examining a Native American boy

Smallpox

Photo: Unpolished ruby

Gems

Photo: Jupiter's moon Io

Jupiter

Photo: Glowing, sombrero-shaped galaxy

Hubble Images

Photo: Halley's comet

Asteroids and Comets

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Sun

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Underwater

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Photo: The Cloud Gate in Chicago

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Photo Tip of the Week

Be Wise, Resize

Never e-mail photos directly from a digital camera without resizing them. They are too big and will likely cause problems for recipients who don't have fast internet connections.

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