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As children, many people have dreamed of plunging beneath the ocean surface to explore the unknown world below. Dr. Robert Ballard is living his childhood dream. He is among a small number of people...
Take a tour of the Alvin, a three-person submersible that allows scientists to...
“It’s a little appreciated fact that most of the animals in our ocean make...
I have been at the Smithsonian’s National Museum of Natural History since 1966...

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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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Deep below the ocean’s surface is a mysterious world that takes up 95% of Earth’s living space. It could hide 20 Washington...

The Ocean Blog

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...
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...
Scientists use remotely operated vehicles , ROVs, equipped with collection devices and cameras to aid in deep-sea ocean exploration in the Arctic and in other regions of the world. It is unoccupied...
Diving to survey, sample, and manage marine life takes a great deal of skill and knowledge. This diver is sampling the seafloor, also known as the benthic zone. This kind of sampling is important for...
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...
Marine biologists discover a whalefish -- an incredibly rare deep-sea fish -- swimming in the ocean in this video. Because it is so dark where they live, females have well-developed sensory pores,...
Using a drill, a team removes a chunk from the thick Arctic ice. Small samples are taken from where the ice meets liquid seawater. The ice is then melted for analysis.
Scripps Institution of Oceanography's FLoating Instrument Platform, or FLIP, conducts sea trials off San Diego in May 2009.
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...
Students in Monterey Bay share a microscope to get a closer look at plankton samples from the Deepwater Horizon Oil Spill .
The Mars rover Curiosity is sending images back home : glimpses of another world during a voyage of discovery. While Curiosity is clicking pictures millions of miles away, I am privileged to be...
Scientists journey to the isolated island of Moorea on a quest to catalog every life form big enough to pick up with tweezers—from mountaintop to seafloor. Get up close and personal with researchers...
About DROP DROP is a multidisciplinary Smithsonian project exploring the diversity of tropical deep reefs off the coast of Curaçao in the southern Caribbean. Deep reefs are natural extensions of...
Two events made me passionate about deep-sea corals . One was my first submarine dive in a deep-sea coral bed off the Hawaiian island of Oahu. There was an incredibly lush community of corals and...
The US Fish Commission Steamer Albatross (1882-1921) sailed approximately one million miles, in the Atlantic and Pacific Oceans, and collected millions of organisms. The Albatross had a special and...
Nick Pyenson, curator of fossil marine mammals at the Smithsonian's National Museum of Natural History, holds an arm bone from a "toothed" mysticete from Vancouver Island. This is the second specimen...
Geo-archaeologist Jean-Daniel Stanley studies ancient settlements submerged near Egypt’s Nile Delta. Analyzing how natural and human-induced processes caused their sinking may help us protect...
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