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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.
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
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
A Hawaiian petrel in flight
Personal Perspectives

4,000 Years of Marine History through the Eyes of a Seabird

Most people have never heard of the Hawaiian petrel, an endangered, crow-sized...
May 2013
The Curasub departs for a deep sea dive, up to 1,000 feet off the island of Curaçao, where this sub is located.
Personal Perspectives

A Voyage of Discovery to Inner Space

The Mars rover Curiosity is sending images back home: glimpses of another world...
August 2012
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
Two scientists peer out into the ocean from inside the Curasub, a 5-person submersible
Personal Perspectives

Diving for Crabs in the Deep Sea

Last week, Smithsonian research zoologists Dr. Jerry Harasewych and Dr. Martha...
July 2011
A photo of a sea toad specimen.
Personal Perspectives

A Sub and a Sea Toad

Have you ever seen a creature so unusual?  This fish (22 cm long) is called a...
July 2011
An adult and juvenile killer whale frolic in the water.
Personal Perspectives

Menopausal Moms: A Mammal Mystery

In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers...
May 2011
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one.
Personal Perspectives

No Fouling Around

Since the dawn of seafaring, humankind has had to deal with the pesky creatures...
December 2010
A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Personal Perspectives

A Tale of Sex and Stress in the Ocean

Welcome to Citizens of the Sea, a new blog series where ocean life comes to life....
October 2010
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
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