Pacific Ocean

A NASA Earth Observatory satellite captured an image of the eruption on September 14. The greener, discolored water near the eruption site likely contains particulate matter, rock fragments and sulfur from the volcano. 

Volcanic Eruption Creates a New Island in the South Pacific

The growing land mass is larger than 8 acres and visible from space

An epaulette shark in the South Pacific

This Shark Can Walk on Land to Survive Its Extreme Habitat

Epaulette sharks could help scientists understand how animals respond to harsh conditions, including those caused by climate change

Breadfruit grows on trees.

Is Breadfruit the Climate Change-Proof Food of the Future?

New research suggests it will fare better than our current staple crops under warming conditions

The so-called frogmen swam into enemy beaches unarmed, wearing only swim trunks, dive masks and fins.

The Stealth Swimmers Whose WWII Scouting Laid the Groundwork for the Navy SEALs

The Underwater Demolition Teams cleared coastal defenses and surveyed enemy beaches ahead of Allied landings

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

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

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

The MarineLabs sensor buoy that detected the record-breaking wave near Ucluelet, British Columbia.

Record-Breaking Rogue Wave Detected Off Vancouver Island

A 58-foot-tall wall of water was measured by a sensor buoy off the coast

Last November, a team of scientists and photographers spent 200 hours studying the vast reef during a dive expedition supported by UNESCO.

Researchers Find a Pristine Coral Reef Off the Coast of Tahiti

With rose-shaped corals as far as the eye can see, it is one of the largest healthy reefs on record

The recent explosion was so powerful that it obliterated parts of the volcanic island of Hunga Tonga-Hunga Ha'apai, splitting it in two.

NASA Says Tonga Eruption Was More Powerful Than an Atomic Bomb

The recent blast was the equivalent of 4 to 18 megatons of TNT, according to scientists

The explosion was likely the biggest volcanic eruption recorded anywhere on the planet in more than 30 years.

Why the Eruption in Tonga Was a 'Once-in-a-Millennium' Event for the Volcano

The blast, which sent tsunami waves across the Pacific, left thousands of Tongans without access to water and power

Little is known about most magnapinnid, or bigfin squid, species. The individual pictured here was spotted by the NOAA ship Okeanos Explorer in the Gulf of Mexico. Recently, a magnapinnid was filmed in the Philippine Trench—the deepest ever sighting of a squid.

Scientists Find the World's Deepest-Dwelling Squid

Researchers went looking for a war wreck roughly 19,000 feet under the sea—and spotted the animal instead

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

The device was developed by The Ocean Cleanup, a nonprofit that aims to remove 90 percent of floating ocean plastic by 2040.

This New Installation Pulled 20,000 Pounds of Plastic From the Great Pacific Garbage Patch

The trash collection device dubbed 'Jenny' could help address overwhelming marine plastic pollution

Gigantic and extinct, Steller’s sea cows would have played an important role in shaping their environment.

How Steller's Sea Cows Impacted the Environment They Left Behind

A new paper explores the ways these extinct megaherbivores would have reshaped kelp forests across the North Pacific

Three giant rocks—Tokia, Rebua, and Kamatoa—sit in the ocean south of Makin Island in the Republic of Kiribati.

How Indigenous Stories Helped Scientists Understand the Origin of Three Huge Boulders

Legends spurred researchers to form a theory about Makin Island's distinctively out-of-place rocks

Moai statues at the Rano Raraku site on Easter Island

Genetic Study Maps When and How Polynesians Settled the Pacific Islands

Mysterious stone figures on far-flung islands may have been erected by descendants of seafaring explorers from the same archipelago

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

Olive sea snakes are among the largest marine snake species and sometimes make contact with divers.

Venomous Sea Snakes That Charge Divers May Just Be Looking for Love

A new study suggests apparent attacks are actually fleeting cases of mistaken identity

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

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