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Satellite view of Earth.
Article

Earth Day, Spawned from the Sea

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two mangrove trees in the crashing waves
Overview

Mangroves

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Illustration of Robotic Glider Evading Fishing Nets
Slideshow

Robotic Ocean Explorer

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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
Article

Up Close and Personal With the Fastest Glacier in the World

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Positioned in front of a natural oil seep, this video camera is capturing images of the black oil bubbling up from beneath the sea floor. A light mounted to the frame helps see what is happening in the dark on the sea floor.
Article

How Oil Feeds the Deep Sea

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Grey reef sharks are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened by wasteful fishing practices like shark finning.
Article

Where the Shark and the Snapper Roam

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
Article

In the Arctic, the Times, They Are a-Changin: You Can Pitch in to Understand How

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Waves breaking on the shore
Overview

Currents, Waves, and Tides

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Sea otters floating on the surface of the ocean.
Article

Not Just Another Fuzzy Face

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a frond of kelp underwater
Overview

Kelp and Kelp Forests

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Sargassum forms dense clumps up to the size of a beach ball that slowly rotate as they drift.
Article

Too Much of a Good Thing—the Atlantic Sargassum Belt

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A large red research vessel among icy waters and snowy mountains
Article

Shipboard Life in the Antarctic

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