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I still haven’t gotten beyond the ‘gee whiz’ factor of studying communities of animals in deep-sea coral habitats. Climbing over undersea mountains and along the steep cliffs of submarine canyons using subs and ROVs...
I still haven’t gotten beyond the ‘gee whiz’ factor of studying communities of...
Imagine: You’re in a small submersible, and you gently settle on the soft muddy...
As children, many people have dreamed of plunging beneath the ocean surface to...

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How many animals swim in the sea? It's not easy to count them all. To get a feel for the ocean's diversity, scientists, such as those involved in the Census of Marine Life , sail out on research cruises to collect and count as...
Cooks Bay in Moorea is one of the places that researchers are scouring in...
These cancer cells have been treated with discodermolide, a chemical...

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The submersible Alvin carries scientists to the deep ocean, where they encounter amazing creatures and views of deep ocean...

The Ocean Blog

The Titanic's sinking around 100 years ago created a new underwater habitat for organisms: the wreck itself. One of these is a species of bacteria -- named Halomonas titanicae after the great ship...
Recent Antarctic expeditions, underwater volcano monitoring, studies of little-known transparent creatures, and other recent scientific research is being conducted by Ocean Portal Collaborators.
"Inside the Open Ocean: Blue Water Diving" produced by Woods Hole Oceanographic Institution (WHOI) , describes a specialized diving technique that lets biologists study the ocean's most fragile...
Deep-sea coral beds are true biodiversity hotspots. It’s urgent that we study these extreme environments because we know so little about them, because they are important communities for so many deep-...
As 10 years of intensive research draw to a close, the Census of Marine Life has released the most comprehensive inventory of life in the ocean to date. This landmark collection of scientific papers...
You never know where following your passions can take you. I came to the Smithsonian's National Museum of Natural History (NMNH) two years ago as a research intern after graduating with a Bachelor’s...
The research submersible Alvin uses bright lights to illuminate the dark seafloor. Built in 1964, it has made more than 4,400 dives. It can carry two scientists and a pilot as deep as 4,500 meters (...
The world beneath the Arctic ice is magical, but cold. Divers have to tolerate temperatures of 30 degrees Fahrenheit (about -2° Celsius.) To stay warm they wear thermal undergarments and use special...
Now that the Census of Marine Life is over, we’re checking in with some of the researchers to hear about their favorite expedition, what they learned, and how the Census and its findings continue to...
Picture this: clear, warm water bathing spectacular coral reefs , clouds of fish, circling sharks, and 17 scientists intent on studying the pristine tropical marine ecosystems of the Southern Line...
In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana...
A deep-sea octopus wraps itself around a submersible’s robotic arm 2,300 meters (7,546 feet) down in the Gulf of Mexico. "Most octopuses will let you get close, maybe even touch them, but normally...
Underwater photographer, Brian Skerry, prepares for an icy dive off the coast of Hokkaido, Japan. With all the specialized gear and the large amount of travel necessary to take photos underwater,...
Take a tour of the Alvin, a three-person submersible that allows scientists to explore the depths of the ocean. This is an excerpt from the full Deep Ocean Explorers video. More about deep ocean...
Starksia blennies, small coral reef fish, have been well-studied for more than 100 years. But Smithsonian scientists discovered that what were thought to be three species of the fish are actually 10...
Atlantic Ocean, Pacific Ocean, Mediterranean Sea, Gulf of Mexico…it is all a single, enormous, interconnected ocean that covers much of our planet. But that doesn't mean that it has the same...
Dr. Clyde Roper prepares to dive thousands of feet to a giant squid habitat off the coast of New Zealand in a one-person submersible. More about the giant squid can be found in our Giant Squid...
The ocean was the world's highway, and ships brimming with precious cargoes plied the waters. These merchant ships were tempting targets for pirates, who prowled the seas' major trade routes in...
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