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Oceans

The USS Cobia floats in the Manitowoc River outside the Wisconsin Maritime Museum.

You Can Spend the Night on a Fully Restored World War II Submarine

The Wisconsin Maritime Museum is home to the USS “Cobia,” a 312-foot-long vessel that completed six war patrols during World War II

Though they feed along coral reefs, hawksbills return to the beach to nest. Shane Gross, recently named 2024 Wildlife Photographer of the Year, captured this image in Barbados.

Can a New DNA Database Help Save This Incredible Sea Turtle?

The shells of the hawksbill sea turtle have been used for luxury items for centuries, but with the species now endangered, new technology is pinpointing where protections are needed most

A scorpionfish swims along an unnamed seamount on the Nazca Ridge in the Pacific Ocean.

The Ten Most Awe-Inspiring Ocean Moments of 2024

From animal journeys across oceans to the discovery of dozens of new species in the deep sea, these stories wowed us

One in ten southern right whales lives past the age of 131, new research suggests.

Some Whales Live Much Longer Than Previously Thought, a Discovery That Could Change How We Protect Them

In a new study, researchers use novel techniques to uncover more accurate life expectancy estimates of southern and North Atlantic right whales

The world's largest iceberg, A23a, is on the move again after spending the last few months stuck in an ocean vortex.

The World’s Largest Iceberg Is Free-Floating Again, and It Could Help Build ‘Thriving Ecosystems’

After spending months stuck in a swirling ocean vortex, iceberg A23a is once again drifting through the Southern Ocean, offering scientists a glimpse into how it might affect waters in new regions

The tail, or fluke, of a humpback whale is identifiable, like a fingerprint is for a human.

Humpback Whale Makes Record-Breaking 8,000-Mile Migration Across Three Oceans, but the Reason Is Still a Mystery

Biologists say mating, climate change or simply being confused might have driven the creature to swim great distances, between Colombia and Zanzibar

Researchers found that in 2023, a decrease in low-altitude clouds, specifically over the Atlantic Ocean, drove an increase in the planet's temperature.

Scientists Find Another Reason Why 2023 Was So Hot: a Decline in Low-Lying Clouds

According to new research, Earth might have reflected less solar radiation last year than in any other year since 1940, a trend that adds to the planet’s warming

New England Aquarium staff treat a cold-stunned sea turtle.

Hundreds of Sea Turtles With Hypothermia Are Washing Up in Cape Cod, Cold-Stunned as Temperatures Drop

New England Aquarium staff and volunteers are treating the reptiles, which have gotten trapped after venturing north earlier in the year. Experts say climate change is leading more turtles to get stranded in the bay

The hunting pod is led by Moctezuma, an adult male, named after an Aztec emperor.

New Research

A Pod of Orcas Learned to Target and Feast on Whale Sharks, the Largest Fish in the Sea

Photos and videos of the apex predators reveal how they engage in coordinated hunts in Mexican waters to take down juvenile whale sharks

An orca named L82 Kasatka swims in front of Mt. Rainier, with a strand of eelgrass trailing from her dorsal fin. She belongs to the Southern Resident orca population, a critically endangered group in the northeast Pacific Ocean.

No, Orcas Probably Aren’t Reviving the ‘Dead Salmon Hat’ Trend, Despite a Viral Photo, Experts Say. Here’s Why

A recent photo of an orca swimming with a salmon on its head has fueled speculation that the fad, first observed in the 1980s, has re-emerged off the coast of Washington state. But some experts are less eager to jump to that conclusion

Archaeologists Caesar Bita and Filipe Castro dove to investigate the wreck.

New Research

A Mysterious Shipwreck Rests Just 20 Feet Below the Surface. It May Be Connected to Vasco da Gama’s Final Voyage

Researchers think a coral-covered vessel discovered off the Kenyan coast could be the “São Jorge,” a galleon that sank 500 years ago

Ships float in Aasiaat’s harbor.

As Greenland’s Ice Sheet Melts, an Island Town Rises

Geologists are working with local communities to determine how residents can adapt as the area’s sea level, in effect, goes down

Researchers used a line array of hydrophones towed behind a ship for three weeks in the 1980s. They collected data nonstop, listening to all the sounds in the ocean. One such sound was the enigmatic "quacking" that one expert now says might represent a conversation.

Mysterious, Repetitive ‘Quacking’ Noise in the Southern Ocean May Have Been a Conversation Between Whales

During a 1982 experiment, researchers recorded the unusual sound, termed “bio-duck.” Now, a researcher suggests they may have been listening in on animals talking to each other

Gus did not hesitate to belly flop into the ocean.

Gus, the Young Emperor Penguin Who Made a Surprise Appearance in Australia, Is Now Heading Home

Wildlife caretakers released the bird into the Southern Ocean after he’d put on some weight and regained his strength

How do scientists know which insects can see color?

Can Insects See Color? And More Questions From Our Readers

You’ve got questions. We’ve got experts

The creature lives in the “midnight zone," an area of the ocean so deep that sunlight never reaches it.

Scientists Finally Identified This Glowing, Transparent ‘Mystery Mollusk’ After Nearly 25 Years of Puzzling

The newly described species of sea slug dwells in darkness in the ocean’s midnight zone, using a hood to capture prey with a Venus flytrap-like technique

A diver swims alongside the world’s largest coral colony, located in the Solomon Islands.

See Staggering Photos of the World’s Largest Coral, Newly Discovered by Scientists in the Pacific Ocean

The enormous organism is bigger than a blue whale and made up of millions of genetically identical, tiny animals called polyps

Japanese forces sank the USS Edsall on March 1, 1942, in the Indian Ocean.

Wreck of World War II Ship Known as the ‘Dancing Mouse’ Discovered at the Bottom of the Indian Ocean

The USS “Edsall,” a 314-foot-long destroyer, fought off Japanese forces for more than an hour before sinking beneath the surface on March 1, 1942

A sperm whale swims away, leaving a cloud of feces.

Scientists Are Crafting Fake Whale Poop and Dumping It in the Ocean

The artificial waste could fertilize the ocean and sequester carbon

Moira was released into the Pacific Ocean off the coast of San Diego last month. Activities conducted under the Stranding Agreement between NMFS and SeaWorld California under the Authority of the MMPA.

After Months of Rehab, Moira the Cold-Stunned Sea Turtle Has Been Returned to the Wild

When fishermen found the endangered loggerhead sea turtle off Vancouver Island in February, she was listlessly floating in a bed of kelp

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