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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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Top Predators Timeline

What makes a top predator? Razor-sharp teeth? Speed? Strength? Size? Who is the most fearsome hunter? It depends on where and when you look.

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The Last Wild Places In the Ocean Webcast

The ocean is not as natural as it once was. Where there used to be large...

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The Ocean Throughout Geologic Time, An Image Gallery

Evidence shows that life probably began in the ocean at least 3.5 billion years...

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Really Small Fry: Shifting Baselines in Marine Fish Stocks

A public service announcement uses a dramatic example to emphasize that ocean...

EDUCATOR RESOURCES

LATEST POSTS

The Design of a Beautiful Weapon

Sep 3, 2013 - 2:41AM

This summer, many of you have likely enjoyed feasting on crabs, be they blue, stone, or Dungeness, and a special treat will have been the big, easy morsels of claw meat. The size of this muscle is testament to its role in...