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Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea off the coast of Antarctica.
Article

The Discovery of Two Extreme Sea Stars

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A map of the Mid Ocean Ridge
Article

Making a Mark on the Ocean Floor

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An aerial view of the Hawaii's shore with lava flowing into the ocean from Kilauea volcano.
Article

Island Ecosystem Transformation via Lava

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An image from a drone of Majuro island
Article

Mapping Out What’s Next for the Marshall Islands

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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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A diagram of the different soil layers located at Hare Harbor, Quebec in 2008. Wood chips were located at the deepest layer, then whale bone, then codfish bones.
Photo

Underwater Archaeological Stratigraphy

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It is estimated that the March 11, 2011 earthquake in Japan was 1,000 times more powerful than the quake that struck Haiti in 2010. Watch as Smithsonian geologist Dr. Liz Cottrell explains this and more about the major earthquake and tsunami in Japan.
Video

Understanding the Japan Earthquake and Tsunami

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A deep sea crab (Rochinia crassa) poses with sea fan (Callogorgia spp.) and coral (Lophelia pertusa) on large carbonate boulder.
Slideshow

Oil Invades Coral Communities of the Deep

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a brittle star clings to a pink coral
Overview

Deep-Sea Corals

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A variety of corals cling to Manning Seamount, just off the coast of Cape Cod, Massachusetts.
Slideshow

Seamounts, A Deep-Sea Habitat

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Small foram shells in seafloor sediment.
Article

Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

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Dive through the zones of the ocean to the deep ocean bottom where many strange species live, and there are many yet to be discovered. Explore them in the Deep Ocean Exploration section.
Article

What We DON'T Know About the Deep Sea

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