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Sea turtles may have survived the planetary changes that killed the dinosaurs, but now they are threatened by fisheries. It's estimated that some 4,600 sea turtles are killed by fishing nets and hooks every...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
If there had been room to stand up, there would have been a standing ovation...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Microbes are some of the most important organisms in the sea. These miniscule...
Scientists from the Integrated Ocean Drilling Program (IODP) collect sediments...

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The first time biologist Mandy Joye dove to the deep sea in the Johnson-Sea-Link submersible (pictured here), she had never seen the bubbles of a methane seep. But after that fateful day in 1994, she was entranced. Instead of...
AUV Sentry is an autonomous underwater vehicle (AUV) that was used in the...
On March 1, 1954, the United States military tested nuclear bombs in the...

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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...
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 .
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...
Researchers collect underwater noises with autonomous recorders.
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...
Rowboats were sunk in Yellowstone Lake at Wyoming's Yellowstone National Park in the early 20th century. The rowboats were used to ferry visitors and guests of Lake Hotel, and are now a part of the...
A robotic arm on the Johnson-Sea-Link submersible retrieves Galatheid crabs for research. Growing in the background is a species of the deep-sea coral Lophelia. Explore more in the multimedia feature...
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...
Success! A so-called "dumbo" octopod is chased and finally captured by a suction device on the ROV, skillfully operated by a pilot on the ship above.
Researcher Aimee Ellison tests samples for DNA barcoding at the Gump Field Station on Moorea.
By Emily Frost When oil spills in the ocean, slicks are the center of media attention because they do so much immediate harm to wildlife. Oil floating at the surface can harm fish, kill birds,...
The first underwater robotic vehicle—or “glider”—to cross an ocean is the centerpiece of a new exhibit at the Smithsonian. Rutgers University professor Scott Glenn explains that the technology is now...
Submarine pilot Bruce Brandt secures ARMS (Autonomous Reef Monitoring Structures) to the submersible Curasub off the coast of Curacao. In shallow water, SCUBA divers can place these biodiversity-...
These cancer cells have been treated with discodermolide, a chemical obtained from a sponge that grows on deep-sea coral reefs. It prevents the cells from dividing and spreading. Learn more about...
Editor's note: Thank you for your interest in this app. Unfortunately, it is no longer available. Amazing Ocean is a brand new, free mobile app developed by the U.S. Department of State that features...
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.
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...
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales , sharks , and even fish by tagging the animals to track their movements. You’ve...
The robotic arm of a Pisces submersible collects a gold coral colony ( Gerardia sp.) during a research cruise in the Hawaiian Islands. Ocean scientists have radiocarbon-dated some Gerardia specimens...
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