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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 shallow water reefs. But...
A fleet of underwater floats called Argo is deployed at more than 3,000 spots...
Most scuba divers scour coral reefs looking for colorful fish, natural beauty,...
You’re out to sea on a 355 foot platform, and suddenly one end begins to slowly...

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AUV Sentry is an autonomous underwater vehicle (AUV) that was used in the Gulf of Mexico directly after the Deepwater Horizon oil spill in 2010. Researchers rushed to get to the Gulf as quickly as possible to learn what was...
On March 1, 1954, the United States military tested nuclear bombs in the...
“It’s a little appreciated fact that most of the animals in our ocean make...

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Take a tour of the Alvin, a three-person submersible that allows scientists to explore the depths of the ocean. This is an...
Scientists on the tiny island of Moorea, in the Pacific, are gathering one of every life form large enough to pick up with tweezers. They're on a quest to build a detailed catalog of the entire...
The remotely operated vehicle ROPOS recovers a volcano monitor from NOAA’s New Millennium Observatory on the Juan de Fuca Ridge, off the coast of the Northwest United States. The station was set up...
This illustration shows how Scarlet Knight , the first unmanned, underwater robot or glider to cross an ocean basin, faced an entire fleet of fishing ships, equipped with nets, threatening the glider...
Brian Skerry warily stares down his photography equipment on board the vessel Nai'a on an expedition to the Phoenix Islands. Read about the patience it takes as a traveling photographer and the work...
A hybrid underwater vehicle combines the best features of an ROV (remotely operated vehicle), which is connected to a ship in order to transmit data and video feeds, and an AUV (autonomous underwater...
You may not think of the ocean as a pharmacy but scientists are developing exciting new medicines from the sponges, corals, and other marine organisms found in the sea. Explore other videos that...
Ice divers Katrin Iken (left) and Elizabeth Siddon are about to descend through a hole in the Arctic ice and into the frigid world below.
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (WHOI) invented the D-Tag —a radio device that can be attached by suction cups to a whale's back. Using a tiny underwater...
Drifters deployed into the Gulf of Mexico sent location information back to scientists through a GPS satellite. Some of the 5.7 million data points about the drifters locations are seen in this map...
Marine biologist Mette Kaufman measures the temperature of a recently-drilled ice core . Variations in temperature at different points of the ice core provide information about the living conditions...
Dr. Patrick Colin , of the Coral Reef Research Foundation in Palau, examines a sponge he collected off the island of Curaçao, in the Caribbean. Colin is conducting research for the National Cancer...
Graduate students Danielle Young from Temple University and Dannise Ruiz from Penn State preparing oil and dispersant solutions for exposure experiments with deep sea corals aboard the exploration...
A small horseshoe crab ( Limulus polyphemus ) rests on seaweed in Stage Harbor, Massachusetts. Atlantic horseshoe crabs can be found along the coast of North America from the Yucatán Peninsula to...
Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at 400 miles per hour. Early warning systems, such as NOAA’s DART systems, are key to saving lives. Today, 47 DART...
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a team of ice-loving scientists.
Expedition data went to the Arctic Ocean Diversity database of the Census of Marine Life to establish a baseline that will help to document change in the poorly known Arctic Ocean. Scientist Kevin...
Two divers, one in an atmospheric dive suit (left) and the other in standard dive gear (right), prepare to explore the Lusitania shipwreck in 1935. Over the decades, diving gear has evolved and...
The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii next to a gold coral ( Gerardia sp. ). The photo was taken by another Hawaii Undersea Research Laboratory submersible— Pisces V...
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