Oceans

A tiger shark swims above seagrass.

Tiger Sharks Carry Cameras to Help Scientists Map Seagrass

A new study found what might be the world's largest seagrass ecosystem: a 35,500-square-mile meadow in the Bahamas

Polar bears are back in Churchill, Manitoba.

Polar Bears Are Gathering in Canada—and You Can Watch Them Live

Bears return to Churchill, Manitoba, every autumn to await the formation of sea ice on the Hudson Bay

Nat Drummond's surf ski

Shark Attacks Teenager Paddling Off Australian Coast

The shark bit a hole through the boat, but the 19-year-old was unharmed

An underwater view of the V-1302 John Mahn, which has rested at the bottom of the North Sea since February 1942

A World War II Shipwreck Is Leaking Toxic Chemicals Into the North Sea

Researchers discovered nickel, copper, arsenic, explosives and chemicals found in fossil fuels at the site

The giant sunfish found floating near Faial Island in the Azores archipelago

This 6,000-Pound Sunfish Is the Largest Bony Fish on Record

Fishermen and boaters spotted the colossal creature floating near the Azores islands last December

Researchers believe woolly mammoths walked into North America 100,000 years ago.

Alaska Couple Finds Massive Mammoth Bone After Storm

Typhoon Merbok’s flooding and winds revealed the complete femur, lying in the mud

Endurance immobilized in pack ice, as captured by crew photographer Frank Hurley in 1915

Wreck of Shackleton's 'Endurance' May 'Decay Out of Existence'

The recently discovered vessel is vulnerable on the seafloor, but raising it from the depths comes with unique challenges

The first juvenile collector urchin (Tripneustes gratilla) raised from a cryopreserved embryo.

A Graduate Student’s Research Could Help Stop the Spread of Invasive Seaweed in Hawai'i

For the first time, using cryopreservation to freeze sea urchin embryos may help restore coral reefs

An Adélie penguin

Adélie Penguins Are Dwindling in East Antarctica

Researchers blame too much summer sea ice for causing a downward spiral in one colony

Frozen chemicals across the country could thaw and make their way into groundwater and surface water during winters, research suggests.

Once-Frozen Chemicals Could Pollute Water as Winters Warm

Thawing agricultural nutrients threaten streams, lakes and rivers across the country, new research suggests

A pod of killer whales swims together in Chatham Strait, Alaska. 

Video Footage Captures Orcas Killing Great White Sharks

The predation could explain why the sharks have been locally declining in recent years

In addition to sorting mail and manning the gift shop, the women will help keep an eye on the 1,500 penguins who live at Port Lockroy.

Meet the Four Women Who Will Run Antarctica's ‘Penguin Post Office’

Selected from 6,000 applicants, the workers will spend five months counting penguins and sending mail from the seventh continent

The Maka Niu, a low-cost, customizable deep-sea observing tool is currently undergoing testing around the world, including at the New England Aquarium in Boston, Massachusetts.

This Low-Cost Device Could Make the Deep Sea Accessible to Everyone

The inexpensive Maka Niu collects video and data at depths more than five times greater than trained scuba divers can go

The elkhorn coral is one of the most endangered corals in the Caribbean and the Florida Keys. In Florida alone, the population is reduced by over 95 percent. A coral breeding project using elkhorn coral gametes collected in Florida and Curaçao hopes to give this species a new lease on life. 

This Moonshot for Coral Breeding Was Successful

But the coral are still in tanks, waiting to be released on reefs

The S.S. Mesaba

The Ship That Tried to Warn the Titanic Has Been Found

Scientists discovered the S.S. Mesaba in the Irish Sea—with the help of multibeam sonar

Mangroves in Northern Australia

World’s Largest Mangrove Die-Off Was Likely Aided by the Moon

A lunar "wobble" affects tides, creating a cycle of growth and dieback for these carbon-sequestering trees

A European eel swims in the Baltic Sea. 

The Utterly Engrossing Search for the Origin of Eels

To save the endangered animals, researchers have been working for decades to figure out where they reproduce

About 230 pilot whales were stranded on an Australian beach. 

About 200 Stranded Whales Die on Australian Beach

Rescue operations saved around 30 of the animals

Fishers caught about 108 million pounds of lobster in 2021, valuing a record $725 million at the docks.

Lobsters Placed on 'Red List,' Angering Maine Fishing Community

Seafood Watch announced that consumers should avoid lobsters, because their traps threaten the endangered North Atlantic right whale

Along the Vietnamese coast, temples constructed in reverence to whales and other marine mammals—such as this one in Phan Thiet—house valuable information on the country’s little-studied cetaceans.

Inside Vietnam's Whale Temples

Centuries-old whale worship shrines are shedding light on the diversity and distribution of marine mammals off the country's coast

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