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The Ocean Blog

The majestic and highly predatory red lionfish ( Pterois volitans ) , native to the Indo-Pacific, is invading Atlantic waters. The lionfish is a popular home aquarium species, and some were most...
The year 2010 will likely be remembered as a tragic time for the ocean. Yet, despite the oil disaster in the Gulf of Mexico, I have hope for our ocean’s future. Last week President Obama signed an...
Rivulus fish live in bodies of water that sometimes become contaminated with hydrogen sulfide—an extremely toxic compound that smells like rotten eggs. When this happens, the adaptable fish wiggle...
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...
If you want to study invasive species in the ocean, the Panama Canal offers a lot to explore. The ships passing through can inadvertently transport plants, animals, and even parasites from the...
This map is based on electronic tagging of Atlantic bluefin tuna ( Thunnus thynnus ) from 1996 to 2007. A team of international researchers officially classified the Atlantic bluefin as endangered in...
A lot can happen in five years. Since 2007, the concentration of carbon dioxide in the atmosphere has continued to go up, reaching a concentration of 400 parts per million, and with it Arctic sea ice...
These bits and pieces of plastic are drying in a petri dish before they are archived. They were collected in nets from the open ocean.
Dr. Sylvia Earle, at the Select Committee on Energy Independence and Global Warming's hearing: “ Rising Tides, Rising Temperatures: Global Warming’s Impacts on the Oceans .” Dr. Earle is referred to...
A net used to trawl the ocean floor scooped up this large specimen of deep-sea coral. Because the ship was trawling for other species, the coral was discarded as bycatch. Fishing in deep-water...
Oil leaks from cars and other vehicles contribute to ocean pollution.
Workers contracted by BP load oily waste onto a trailer on Elmer's Island, just west of Grand Isle, La., May 21, 2010. More about the Gulf oil spill can be found in our Gulf oil spill featured story .
Dr. Chris Reddy, an environmental chemist from Woods Hole Oceanographic Institution studies the long-term impacts of oil spills. Watch as he digs beneath the surface in Massachusetts’ Wild Harbor...
The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica, has been nicknamed “ The Last Ocean .” And it’s not just a ploy to get your attention. In...
On March 1, 1954, the United States military tested nuclear bombs in the ocean around Bikini Atoll in the Pacific Ocean to see what kind of damage they would do to ships. The largest explosion was...
Marine ecologist Dr. Jeremy Jackson and a team of researchers conducted an in-depth study of the effects of a 1986 oil spill on the coast of Panama. In this video , Dr. Jackson discusses the study,...
Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of dollars in products and services to humans each year. But they are also...
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute shark fin poachers . What is shark finning? Find out here .
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