Oceans

The Thwaites Glacier in Antarctica

Antarctica’s 'Doomsday Glacier' Melting at Fastest Rate in 5,500 Years

Researchers used penguin bones and shells to track ice loss in the Thwaites and Pine Island glaciers

The Earth’s oceans have risen and fallen over the millennia. But they have, on average, been relatively stable over billions of years. The balance of the deep water cycle—the exchange of water between the Earth’s surface and its interior—has an important role to play in maintaining that stability.

How the Earth's Mantle Sends Water Up Toward the Surface

A new model suggests "mantle rain" ensures we will always have a surface ocean

Korora, the world’s smallest living penguin

Hundreds of Little Blue Penguins Are Turning Up Dead in New Zealand

Rising ocean temperatures are likely causing the flightless birds to starve to death

New research shows how seals use their whiskers to aid them as they hunt. 

Seals Use Their Whiskers to Help Hunt in the Deep Ocean

New video footage shows rhythmic whisker movements that have never been observed before in seals in the wild

After the researchers identified it as a subterranean river and gathered at the site in Antarctica, they drilled down 1640 feet below the ice's surface using a hot water hose to melt the ice.

Hidden Life Found Far Beneath World's Largest Ice Shelf

Hundreds of shrimp-like creatures were found living 1640 feet beneath Antarctica's Ross Ice Shelf

Las Salinas in Cabo Rojo National Wildlife Refuge

These Salt Flats in Puerto Rico Are Cotton-Candy Pink

The distinct color of Las Salinas comes from a combination of algae, bacteria, salt and water

Blue holes, like the Great Blue Hole in Belize, are vast caverns that descend into the seafloor. Sediment accumulates at the bottom of a blue hole, giving researchers a way to gauge historical hurricane activity.

Blue Holes Show Hurricane Activity in the Bahamas Is at a Centuries-Long Low

Many more powerful storms battered the region in the past

Chilean devil rays swim in the Atlantic Ocean near the Azores. 

What Are Scientists Learning About the Deepest Diving Creatures in the Ocean?

Animals-turned-oceanographers are helping biologists find out what they do when they get to the cold, dark depths

The seagrass Posidonia australis.

World’s Largest Plant Is a Seagrass That Clones Itself

The 4,500-year-old plant lives off the coast of Australia

The House of Slaves on Senegal’s Island of Gorée is one of 284 significant African coastal sites included in a recent assessment of climate risk.

Climate Change Threatens Important African Coastal Sites

Dozens of important cultural, social, and ecological places are already at risk from climate hazards.

A 2015 expedition found two species of sharks living in the hot, acidic water near Kavachi, thus earning it the nickname "Sharkcano."

NASA Snaps Photos of Underwater 'Sharkcano' Erupting

Kavachi, a submarine volcano in the southwest Pacific Ocean, is home to several species of sharks and fish that can withstand the extreme environment

When a group of 360 dolphins visited corals located in the Northern Red Sea, reseachers noticed that calves under one year old would watch adults brush themselves against the coral.

Dolphins May Use Coral and Sponges as Skin Care Items

The mammals rub on invertebrates, possibly to contact substances that might work like antibacterial creams

Whale sharks are the largest fish on Earth.

Cargo Ships Are Killing Whale Sharks

New research shows these gentle giants are often on a collision course with large ocean vessels

Researchers keep finding dolls and doll body parts off the coast of Texas, where ocean currents push debris and garbage onto the beach.

Why Do Creepy Dolls Keep Washing Up on Texas Beaches?

Ocean currents push the unsettling toys—and tons of other trash—onto state shores

Over the past decade, vaquita numbers plummeted from 576 to just ten individuals because of a rise in the illegal totoaba trade.

The Population of Vaquita Porpoises Has Dwindled to Ten, but a Rebound Isn't Out of the Question

If protected from illegal fishing, scientists say the critically endangered species has enough genetic diversity to recover

Marine biologists suspect that the dragonfish can use its tiny fins to detect vibrations and alert them of nearby predators and prey.

Rarely Seen Torpedo-Shaped Dragonfish Spotted Off California's Coast

The copper-colored fish has only been seen four times in more than three decades of deep-sea research

Some seagrasses are linked to lower levels of gastroenteritis-causing pathogens in the water. 

Seagrass Can Work as a Sanitation Service

Millions of cases of potentially deadly gastroenteritis are prevented each year because of the pathogen-reducing powers of the plant

Black turban snails are small marine snails that make tasty prey for crabs. Failed crab attacks leave scars on a snail’s shell. By analyzing the rate of scarring and the size of the snail when it was attacked, researchers can learn important details about crab populations.

Scars on Snails Offer a 100,000-Year Record of Crab Populations

A surprisingly simple technique for studying marks on shells shows how California’s crab population has changed over millennia

A snorkeler comes face to face with a humpback whale. If humans work to halt climate change, that may help prevent another mass extinction event in the oceans.

Without Action on Climate, Another Mass Extinction Event Will Likely Happen in the World's Oceans

Marine species at the poles will face increasing pressure if warming isn’t curbed

Mapping out where these RNA viruses are found globally can help scientists understand how they interact with organisms driving the planet's ecological processes.

Virologists Identify More Than 5,000 New Viruses in the Ocean

The new study focused on under-researched RNA viruses, which often infect animals and humans

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