Atlantic Ocean

A tiger shark swims in the Bahamas. Over the past several decades, the predators ventured farther north in the northwestern Atlantic Ocean.

Some Tiger Sharks Are Migrating Farther North Due to Climate Change

The predator’s movements in the Atlantic Ocean could scramble ecosystems and endanger the sharks by sending them outside marine protected areas

A humpback whale and her calf swim underwater. A recent study in Nature found whales eat and poop way more than previously thought—and that feces plays an important role in fertilizing the ocean.

The Top Ten Ocean Stories of 2021

From the discovery of a large bioluminescent shark to the use of an innovative drone to study hurricanes, these are the best marine stories of the year

Until recently, scientists knew relatively little about the lives of birds on the open North Atlantic. But a group of researchers has identified a habitat in the ocean teeming with great shearwaters and other seabirds.

Regulators Look to Protect a Seabird Hotspot in the Middle of the Atlantic Ocean

Scientists have identified a key seabird feeding ground in need of safeguarding

Hammerhead sharks have are considered critically endangered.

More Than a Third of Shark Species Are Now Threatened With Extinction

Overfishing, habitat loss and climate change are behind the 'desperate' decline

There are many reasons to be worried about the state of the world’s oceans. But some scientists say it’s important to point to successes, in order to motivate people to take further, evidence-based action.

Seven Reasons to Be Optimistic About the World's Oceans

The health of the ocean is under threat, but these good-news stories deserve attention too

While Spongebob and Patrick are friends in the animated world, the relationship between sea stars and sponges is not as friendly in real life. Sea stars are carnivores and are known to prey on sea sponges, crabs, oysters, clams, and coral.

See SpongeBob SquarePants' and Patrick Star's Real-Life Twins

The aquatic pals were discovered one mile deep in the Atlantic Ocean during a NOAA expedition

Via Getty: "A state wildlife veterinarian inspects a European starling carcass before shipping it to the University of Georgias Southeastern Cooperative Wildlife Disease Study (SCWDS) from the Kentucky Department of Fish and Wildlife Resources headquarters on July 2, 2021."

Mysterious Bird-Killing Illness Spreads to More Mid-Atlantic States

Researchers rule out several pathogens but still don’t know what is causing the deaths

Southern giant petrels have so far killed nearly 100 Atlantic yellow-nosed albatrosses on Gough Island in the South Atlantic.

Giant New Predators Killing Imperiled Albatrosses

Videos show southern giant petrels killing Gough Island’s beautiful endangered seabirds

The Southern Ocean is defined by a swift undertow called the Antarctic Circumpolar Current (ACC) that flows from West to East around Antarctica.

National Geographic Officially Recognizes the Southern Ocean as World's Fifth Ocean

The organization's cartographers will now label a total of five oceans on their maps and atlases

Tinier whales threaten the species’ survival because smaller whales do not have as many offspring. Nursing mothers who entangle themselves in nets also produce smaller calves.

Humans, We've Shrunk the Whales

North Atlantic right whales born today are three feet shorter on average than whales born in 1980—and commercial fishing could be to blame

A young green sea turtle with a solar-powered satellite tag that was used to track it to the Sargasso Sea.

New Research

Baby Sea Turtles Spend 'Lost Years' in Sargasso Sea

Researchers used tracking tags to solve the mystery of where young green sea turtles go after they hatch on the beach

The fireball cruising across the sky was most likely a fragment of an asteroid called a 'bolide'.

Fireball Illuminates Skies Across East Coast of Florida

The asteroid fragment weighed 900 pounds and hit Earth's atmosphere at 38,000 miles per hour

The water high in salinity slowly poisons trees, and as they die, all that is left behind are ghostly gray trunks that resemble toothpicks.

'Ghost Forests' May Become More Common as Sea Levels Rise

East Coast woodlands are left parched as brackish water encroaches on landscapes

Taken in 1922, the ship Jose Gaspar passes the Lafayette Street Bridge in Tampa during the Gasparilla Festival

The True History and Swashbuckling Myth Behind the Tampa Bay Buccaneers' Namesake

Pirates did roam the Gulf Coast, but more myths than facts have inspired the regional folklore

An oceanic whitetip shark swimming in the open ocean. This species was common in the 1970s but its population has since declined by 98 percent, according to a new study.

New Research

Oceanic Sharks and Rays Have Declined 70% Since 1970

Fishing fleets have indiscriminately slaughtered sharks for decades and a new study catalogues the environmental damage done

The Schmidt Ocean Institute’s submersible SuBastian, which was responsible for several discoveries in 2020, is retrieved from the water.

The Top Ten Ocean Stories of 2020

From the discovery of a giant coral reef pinnacle to a shocking estimate of plastics on the seafloor, these were the biggest marine moments of the year

Whales are especially vulnerable during the calving season since the mother-calf pairs float at the surface, raising their chances of encountering boats.

Biologists Celebrate the Births of Two Critically Endangered North Atlantic Right Whale Calves

With a population of around 366 whales, 'every individual counts' in coming back from the brink of extinction

A remarkable abundance of wildlife reside on or around the territory's four islands, including endangered yellow-nosed albatross, sevengill sharks, rockhopper penguins and 11 species of whales and dolphins.

A Tiny Atlantic Island Just Protected a Giant, Pristine Stretch of the Ocean

Tristan da Cunha fully protected 90 percent of its waters, safeguarding its vibrant biodiversity

A satellite image shows the A68a iceberg in the lower left. The chunk of ice looks a bit like a pointed finger, and scientists say it's currently on a path to collide with the British Overseas Territory of South Georgia.

Delaware-Sized Iceberg Could Decimate Wildlife on South Atlantic Island

Iceberg A68a is on track to hit the British Territory of South Georgia, where it could complicate access to food for millions of seals and seabirds

Researchers with OCEARCH caught a 17-foot-long great white shark on the morning of October 2.

Researchers Catch and Tag 17-Foot 'Matriarch of the Sea,' a 50-Year-Old Great White Shark

The OCEARCH team named the shark Nukumi, the Mi'kmaq people’s word for 'grandmother'

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