The Ocean Through Time

Life began in the ocean around 3.5 billion years ago and as evolution progressed, many species went extinct -- and some left behind fossils -- as others appeared. And even now, the ocean hasn't stopped changing as evolution continues and humans leave their mark.

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CREDIT: Smithsonian Arctic Studies Center Basque Whalers Background Having already learned to hunt large whales in the Bay of Biscay in the 13th through 15th centuries, Basques began arriving in the rich whaling grounds...
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When you're standing in a museum surrounded by fossils, you can almost imagine...
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The evolution of whales represents one of the great stories in macroevolution...
About 100 million years ago , during the heyday of the dinosaurs, reefs were...

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