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The Exxon Valdez oil spill occurred on March 24, 1989 when an oil tanker grounded on a reef in Alaska’s Prince William Sound. It spilled almost 11 million gallons of crude oil, which reached 1,300 miles of coastline. The spill's remote location, accessib
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Exxon Valdez Oil Spill

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Great White Sharks breach to hunt -- with split-second timing they grab their prey in one swift snatch. Follow the whole breaching action in this slideshow.
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Great White Shark

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This family tree shows how the ancestors of whales moved gradually from land to sea.
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The Whale Family Tree

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An adult and juvenile killer whale frolic in the water.
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Menopausal Moms: A Mammal Mystery

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Vertebrates evolved in the sea and eventually moved onto land. The ancestors of whales later returned to the sea.
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Whales Returned to the Sea

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The Galapagos Islands site in Ecuador was inscribed on the World Heritage List in 1978. Located in the equatorial Pacific Ocean nearly 1000 km from South America, the Galapagos Islands and the surrounding marine reserve are a unique "living museum and show
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Sally Lightfood Crab, Galápagos Islands, Ecuador

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Great White Shark at sea surface – marvels of evolution.
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Great White Shark at Surface

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