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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

Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.

Personal Perspectives

Ocean Today Every Full Moon

Our friends at NOAA (the National Oceanic and Atmospheric Administration) Ocean...

October 2016

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

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

Traditional fishing techniques now involve monofilament nets, with snorkelers diving down to ensure the bigger fish don't get away.

Personal Perspectives

Field Notes from the East African Coast

We began this journey three months ago, a team of scientists and filmmakers...

April 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

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.

Personal Perspectives

What We DON'T Know About the Deep Sea

Imagine: You’re in a small submersible, and you gently settle on the soft muddy...

July 2012

Personal Perspectives

Five Questions with Nancy Rabalais, Tracking Dead Zones In the Gulf

The Gulf of Mexico is known for one of the world's largest “dead zones"—areas...

March 2015

An underwater blizzard of oil, marine microbes, "sea snot", and algae.

Personal Perspectives

Five Questions with Uta Passow, How An Oil Spill Affects the Movement of Carbon In the Ocean

There are millions of tiny drifting plants in the sunlit ocean, called...

March 2015

Alexis Temkin stands in marsh grass holding a reptile.

Personal Perspectives

Five Questions With Alexis Temkin, Searching For Links Between Deepwater Horizon & Human Health

We all know to avoid touching or eating oil (the fossil fuel variety that is)....

March 2015

Dr. Brendan Roark discusses different methods of sampling deep-sea corals with undergraduate students at Texas A&M University.

Personal Perspectives

Coral Scientist Brendan Roark: On an Urgent Mission

Deep-sea coral beds are true biodiversity hotspots. It’s urgent that we study...

July 2011

Smithsonian Ocean

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Deep-sea octocorals: An ecosystem of their own

Ocean Today Every Full Moon

The Discovery of Two Extreme Sea Stars

How Oil Feeds the Deep Sea

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

Field Notes from the East African Coast

How Coastal Seagrass Feeds the Deep

What We DON'T Know About the Deep Sea

Five Questions with Nancy Rabalais, Tracking Dead Zones In the Gulf

Five Questions with Uta Passow, How An Oil Spill Affects the Movement of Carbon In the Ocean

Five Questions With Alexis Temkin, Searching For Links Between Deepwater Horizon & Human Health

Coral Scientist Brendan Roark: On an Urgent Mission

Smithsonian Ocean

Filter

Content type

Article Type

Topics

Tags

Deep-sea octocorals: An ecosystem of their own

Ocean Today Every Full Moon

The Discovery of Two Extreme Sea Stars

How Oil Feeds the Deep Sea

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

Field Notes from the East African Coast

How Coastal Seagrass Feeds the Deep

What We DON'T Know About the Deep Sea

Five Questions with Nancy Rabalais, Tracking Dead Zones In the Gulf

Five Questions with Uta Passow, How An Oil Spill Affects the Movement of Carbon In the Ocean

Five Questions With Alexis Temkin, Searching For Links Between Deepwater Horizon & Human Health

Coral Scientist Brendan Roark: On an Urgent Mission

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