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plastic bottles, cans, a yellow hard hat, and other human refuse litters a tropical beach
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Bring Your Own Container to Avoid Trash

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A polar bear and its cub in Arctic National Wildlife Refuge, Alaska.
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Polar Bear Mother and Cub

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Nuclear bomb in Bikini Atoll
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Nuclear Bombs on the Coral Reef

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A red and white colored bristle worm swims in the water column.
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A Striped Deep Sea Worm

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Smithsonian scientist who discovered new species in her laboratory
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Smithsonian Scientist Discovers New Fish Species

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A view of the Deepwater Horizon oil spill as seen from a NOAA research aircraft, June 2010.
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The Oil Spill From Above

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The Belize Barrier Reef Reserve System consists of the largest barrier reef in the northern hemisphere, offshore atolls, and several hundred sand cays, mangrove forests, coastal lagoons, and estuaries. The system's seven sites illustrate the evolutionary h
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Belize Barrier Reef Reserve System

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Pink crustose algae covers the surface of a rock.
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Encrusting Pink Algae and a Seastar

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A wave curls near the shore.
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The Importance of a Wave

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Hawaiian monk seal comes ashore
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Red Listed: Study Finds One-Fifth of World's Vertebrates Are at Risk

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This magnified photo provides a close-up look at copepods—tiny crustaceans that right whales feed on.
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Copepods: Right Whale Food

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Dr. Clyde Roper (rear) and museum specialist Mike Sweeny examine a giant squid specimen.
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Studying Giant Squid

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