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Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean.

Personal Perspectives

Deep-sea octocorals: An ecosystem of their own

The deep-sea is a vast part of the world’s ocean. Even today, it often surprises...

October 2017

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.

Personal Perspectives

The Discovery of Two Extreme Sea Stars

Recently, Smithsonian National Museum of Natural History researcher Chris Mah and...

May 2015

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.

Personal Perspectives

How Oil Feeds the Deep Sea

There can be catastrophic results when a large amount of oil is spilled into the...

November 2014

An Atlantic wolffish hiding on Cashes Ledge off the New England coast.

Personal Perspectives

Exploring a Unique Biodiversity Hotspot In the Gulf of Maine

Cashes Ledge is a wild, special place in the heart of the Gulf of Maine. This...

November 2014

"Barely a room onboard escaped being turned into a part of the sequencing laboratory," wrote Rob Edwards in a blog post about doing genomic sequencing at sea.

Personal Perspectives

Sequencing at Sea: Studying Small Things Using Big Equipment

Microbes are some of the most important organisms in the sea. These miniscule...

August 2014

This queen parrotfish scrapes algae from Caribbean reefs with its parrot-like beak.

Personal Perspectives

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

Reef biologists over a certain age are haunted by memories of what glorious places...

July 2014

Personal Perspectives

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

If you are a bird watcher you have probably heard of the Christmas Bird Count. The...

June 2014

Small foram shells in seafloor sediment.

Personal Perspectives

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

You are not alone if you don’t know what forams (short for foraminifera) are, so...

June 2014

In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.

Personal Perspectives

Ice-Loving Seals and the Loss of Sea Ice

The threat that climate change poses to polar bears has received a lot of...

September 2013

Personal Perspectives

The Search for an Elusive Ribbon Worm

With 1,400 named species of ribbon worms inhabiting every ecosystem on earth,...

March 2013

Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.

Personal Perspectives

How Coastal Seagrass Feeds the Deep

It is a well-known fact that for animals living in the deep sea, food can be...

February 2013

Personal Perspectives

Reflections on the Successful Search for the Giant Squid

I have been at the Smithsonian’s National Museum of Natural History since...

January 2013

Smithsonian Ocean

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Deep-sea octocorals: An ecosystem of their own

The Discovery of Two Extreme Sea Stars

How Oil Feeds the Deep Sea

Exploring a Unique Biodiversity Hotspot In the Gulf of Maine

Sequencing at Sea: Studying Small Things Using Big Equipment

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

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

Ice-Loving Seals and the Loss of Sea Ice

The Search for an Elusive Ribbon Worm

How Coastal Seagrass Feeds the Deep

Reflections on the Successful Search for the Giant Squid

Smithsonian Ocean

Filter

Content type

Article Type

Topics

Tags

Deep-sea octocorals: An ecosystem of their own

The Discovery of Two Extreme Sea Stars

How Oil Feeds the Deep Sea

Exploring a Unique Biodiversity Hotspot In the Gulf of Maine

Sequencing at Sea: Studying Small Things Using Big Equipment

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

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

Ice-Loving Seals and the Loss of Sea Ice

The Search for an Elusive Ribbon Worm

How Coastal Seagrass Feeds the Deep

Reflections on the Successful Search for the Giant Squid

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