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Oceans

A large oil slick floats about a mile off Perdido Key, FL, where cleanup crews worked to recover the oil, Saturday, June 12, 2010.

Five Myths of the Gulf Oil Spill

Myth number one: Oil spills are rare

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Should Oiled Birds Be Cleaned?

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How Sharks Sniff Out a Meal

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Crazy Crab Migrations

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Ocean Currents are Highways for Crocodiles

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Hurricane Grazes the Arabian Peninsula

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Coral Atolls Rise With the Seas

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Seven Endangered Seabirds Around the World

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Plenty of Warming in the Ocean’s Upper Layer

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Victims of the Oil Spill

Icebergs Contribute to Sea Level Rise

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UPDATED: The World’s Worst Oil Spills

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Smithsonian’s Amazing Natural History Collections

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Have You Seen a Jellyfish Lately?

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Photo Contest Finalist—A Chorus of Mackerel

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Titanic vs. Lusitania: Who Survived and Why?

The tragic voyages provided several economists with an an opportunity to compare how people behave under extreme conditions

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Riled up About Geoengineering

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Underwater Antarctica

"If we don't do something," says Knowlton, who has earned the nickname Dr. Doom, "we could lose all corals by 2050."

A Coral Reef’s Mass Spawning

Understanding how corals reproduce is critical to their survival; Smithsonian’s Nancy Knowlton investigates the annual event

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Picture of the Week—Portuguese Man o’War

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