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A fleet of underwater floats called Argo is deployed at more than 3,000 spots around the world. The floats transmit information about water temperature, salinity, and pressure which scientists use to understand trends in...
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...
By Emily Frost Throw a message in a bottle into the vast ocean and where does...

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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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New technology is making it possible for scientists to go where they’ve never gone before, the depths of the icy Arctic...
Ocean conditions change every hour of every day. Tides, currents, and winds are constantly in flux. NOAA’s real-time data helps huge ships navigate safely under bridges and around obstacles. Explore...
Omoo, a Great White Shark ( Carcharodon carcharias ), carries a satellite tag that sends information daily about her movements across the Pacific. Follow her migration real-time . More about the...
Amazing Ocean is a new mobile app that brings all of the content you love from the Ocean Portal straight to your mobile device. The app allows you to explore photos, videos and rich ocean-themed...
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...
Scientists talk about the experience of exploring the ocean in this excerpt from the Deep Ocean Explorers video. More about deep ocean exploration can be found in our Deep Ocean Exploration featured...
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...
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...
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.
Views of each sonar beam appear on the left side of this computer screen image while the path being mapped by the ship appears on the right. These 3-D color images enable ocean scientists to locate...
Chilean and Smithsonian paleontologists study several fossil whale skeletons at Cerro Ballena, next to the Pan-American Highway in Atacama Region, Chile, in 2011. The fossils were discovered when the...
Special ships called ‘icebreakers’ are needed to access some areas of the ice-covered Arctic Ocean .
Most scuba divers scour coral reefs looking for colorful fish, natural beauty, and maybe even the perfect underwater photo . Shirley Pomponi , a biologist at Florida Atlantic University's Harbor...
Curaçao, an island in the southern Caribbean is the site of the Smithsonian's Deep Reef Observation Project (DROP) . Researchers are using a submarine to study and collect specimens from the hard-to-...
NOAA is working with students across the globe to place floating buoys throughout the ocean through their Adopt a Drifter Program . The buoys will drift with the help of ocean currents and record the...
The submersible Alvin carries scientists to the deep ocean, where they encounter amazing creatures and views of deep ocean life. Explore more in the Deep Ocean Exploration section .
Watch a Discovery video on Smithsonian squid expert Clyde Roper’s search for giant squid in Kaikoura Canyon off the coast of New Zealand. More about giant squid can be found in our Giant Squid...
The Curasub departs for a deep sea dive, up to 1,000 feet off the island of Curaçao, where this sub is located. Smithsonian's Deep Sea Observation Project (DROP) is exploring these waters and using...
Researchers use Autonomous Reef Monitoring Structures (ARMS) like this one to study the diversity of coral reef organisms. They leave the structures underwater for about a year. Then they retrieve...
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