Pacific Ocean

Three green sea turtles, Chelonia mydas, on a coral reef, Heron Island, Great Barrier Reef, Australia.

Coral Reefs Face the Dual Threats of Ocean Acidification and Erosion

As coral tissues die off, the exposed calcified skeleton becomes vulnerable to organisms that eat away at the dying reefs

Victor Vescovo piloting his sub, Limiting Factor.

American Becomes First to Visit the Five Deepest Spots in World's Oceans

Victor Vescovo recently concluded his Five Deeps Expedition, piloting a custom-built submarine to the deepest trenches on Earth

A geoduck shell found scatted among other shells discarded by the Tseshaht peoples 500 to 1000 years ago suggests that the community had been harvesting and eating geoduck for centuries.

This Centuries-Old Geoduck Shell May Rewrite the Rules About Who Can Harvest the Fancy Clam

A remnant from a meal long gone, the find in British Columbia could give the region's indigenous communities an important legal claim

The surf break at Waikiki Beach, where the modern form of the sport began.

Learn to Surf on the Break Where It All Began

Waikiki Beach on O'ahu is the home of surfing—and you can take lessons there too

Ameila Earhart standing in front of the Lockheed Electra in which she disappeared in 1937.

Why the Much-Publicized Mission to Find Amelia Earhart's Plane Is Likely to Come Up Empty

The explorer who discovered the 'Titanic' is searching for the lost aviator. A Smithsonian curator doesn’t think he’ll find it.

The entrance to Taiohae Bay, on the island of Nuku Hiva, where Herman Melville lived in 1842.

How a Voyage to French Polynesia Set Herman Melville on the Course to Write 'Moby-Dick'

We retrace the journey that had a long-lasting influence on the enigmatic author's improbable career

Remains of 30 Service Members Killed in WWII Unearthed at Tarawa

The non-profit History Flight discovered the Marines and sailors as part of its decade-long mission to find the 500 men buried on the atoll

NOAA Is Investigating 70 Gray Whale Deaths Along the West Coast

The whales seem to have died from starvation and washed up on shore from California to Alaska

The first test of a thermonuclear weapon, or a hydrogen bomb, codenamed Ivy Mike and conducted by the United States in 1952 over the island of Elugelab in Enewetak Atoll in the Pacific Ocean.

Particles From Cold War Nuclear Bomb Tests Found in Deepest Parts of the Ocean

Crustaceans in the Mariana Trench and other underwater canyons feed on food from the surface laced with carbon-14 from Cold War bomb tests

That so  totally rocks, dude.

Green Sea Turtles Are Bouncing Back Around U.S. Pacific Islands

Surveys show the species increasing 8 percent near Hawaii and 4 percent elsewhere, though hawksbill turtles aren't faring as well

Orcas kill great white sharks, then eat their calorie-dense livers.

Great White Sharks Are Completely Terrified of Orcas

A new study shows the apex predators will flee their hunting grounds and won't return for up to a year when killer whales pass by

Scientists Spot Beautiful Optical Illusion at Bottom of the Sea

More than 6,000 feet under the surface of the ocean, the extreme conditions can play tricks on your eyes

Thor Heyerdahl photographed with archaeological artifacts from Easter Island

Norway Will Repatriate Thousands of Artifacts Taken From Easter Island

Thor Heyerdahl Jr. says his late father had promised to return the items after they had been analyzed and detailed in published works

Plastic debris is providing a new vessel for potentially invasive species to cross large distances.

Sea Creatures Still Arriving in the U.S. on Plastic Debris From the Japanese Tsunami Eight Years Ago

Marine biologists don't know how long different species can survive adrift in the open ocean, and some may become invasive when they reach new shores

Sunflower sea stars in British Columbia, just weeks before wasting disease turned them to mush.

Why Almost All of the West Coast's Sunflower Sea Stars Have Wilted Away

A new study suggests most of the keystone predators have died off due to an unknown pathogen and increasing ocean temperatures

Easter Island Statues May Have Marked Sources of Fresh Water

A spatial analysis of the island's moai and ahu seem to line up with ancient wells and coastal freshwater seeps

Threatened Bluefin Tuna Sells for Record $3 Million in New Year's Sale

The 612-pound fish will go to a sushi restaurant, but without intervention the prized species will not be on the plate for much longer

Victor Vescovo entering the Limiting Factor for his record-breaking descent.

Submersible Is First to Reach Bottom of Atlantic Ocean

U.S. equity-firm founder piloted the craft to the bottom of the Puerto Rico Trench, in a bid to reach the deepest spot in each of the world's oceans

Up to 1,000 octopus moms care for their brood.

The Top Ten Ocean Stories of 2018

From the most ancient animal known to a newly defined ocean zone, the world's watery places never cease to amaze

Crab Fishermen Sue Energy Companies Over Climate Change

The suit alleges that oil firms are responsible for climate change driven algae blooms, which have delayed and shortened recent crab-harvesting seasons

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