Oceans

A gentoo penguin swimming underwater. This species, as well as others, vocalizes while hunting beneath the water's surface, research shows.

In a First, Researchers Record Penguins Vocalizing Under Water

But the scientists still aren’t sure what the birds are saying

Satellite image of the Thomas Fire's burn scar and active flames, in northern Ventura, on December 5, 2017.

Could Wildfire Ash Feed the Ocean’s Tiniest Life-Forms?

Ash falling on the ocean after a wildfire could fuel plankton growth

Surfers ride the bore tide at Turnagain Arm.

How to Surf Alaska's Bore Tide

Turnagain Arm offers surfers an experience they can't get anywhere else in the country

Greg Lecoeur won the title of Underwater Photographer of the Year 2020 for his Frozen Mobile Home, a playful snapshot of seals circling an iceberg.

Dazzling Display of Seals Wins Underwater Photographer of the Year Award

French photographer Greg Lecoeur triumphed over more than 5,500 submissions from hundreds of artists around the world

Photographers gather at the eastern edge of El Capitan in February, eager to capture Yosemite's "firefall."

Nine Rare Natural Phenomena Worth Traveling For

You have to be in the right place at the right time to see these awe-inspiring events

Inspector Clouseau, the world's only known pink manta ray

Rare Pink Manta Ray Spotted Near Australia’s Lady Elliot Island

Researchers suspect a genetic mutation may have gifted the giant fish, named Inspector Clouseau, his rosy hue

Every few days, the crew of the Challenger would dredge the ocean floor for sediment and specimens.

Museum’s 150-Year-Old Plankton Have Thicker Shells Than Their Modern Counterparts

The HMS Challenger’s expedition in the 1800s provides a baseline for ocean health as the climate changes

To escape loud noises, sperm whales have been known to swim to the surface too quickly and give themselves the bends.

Whales Struggled to Find Food After New Zealand’s 2016 Earthquake

Sperm whales are at the top of the food chain, and the effects of undersea landslides rippled up

Grey seals will clap their forelimbs together underwater, generating a sharp sound that communicates to others around them.

In a First, Scientists Film Wild Grey Seals Clapping to Show Their Strength

The behavior is believed to scare off competitors while wooing potential mates

A wandering albatross (Diomedea exulans) taking off for flight, carrying a GPS tracker that can detect radar emitted from ships.

Albatrosses Outfitted With GPS Trackers Detect Illegal Fishing Vessels

By utilizing the majestic birds to monitor huge swaths of the sea, law enforcement and conservationists could keep better tabs on illicit activities

The Most Anticipated Museum Openings of 2020

Slated for this year are new institutions dedicated to ancient Egyptian, the Olympics, African American music and the Army

A Chinese paddlefish specimen made in 1990 is seen on display at the Museum of Hydrobiological Science of the Chinese Academy of Sciences in Wuhan, China. The Chinese paddlefish's sharp, protruding snout made it one of the largest freshwater species in the world.

The Chinese Paddlefish, Which Lived for 200 Million Years, Is Now Extinct

New research concludes the freshwater species likely disappeared between 2005 and 2010 due to human activity

Iron-rich dust launched into the air by winds swirls around the Southern Ocean. Understanding how iron’s chemistry shifts during its journey from earth to air to sea will be important for developing better climate models.

The Complicated Role of Iron in Ocean Health and Climate Change

Iron dust may have played a significant role in the last ice age, and it could be an important factor in mitigating future global temperature increases

Laboratory experiments suggest the tooth-like scales of the puffadder shyshark can be degraded by acidifying oceans

Acidifying Oceans Could Corrode the Tooth-Like Scales on Shark Skin

A laboratory experiment hints at another sobering consequence of acid-heavy ocean waters on marine life

Exposed stone-built features in shallow water at the archaeological site of Tel Hreiz.

Oldest Known Seawall Discovered Along Submerged Mediterranean Villages

Archaeologists believe the 7,000-year-old structure was intended to protect settlements as sea levels rose

Thousands of brooding octopuses were discovered in 2018 on the ocean floor off the coast of California.

Eighteen Things We've Learned About the Oceans in the Last Decade

In the past 10 years, the world's oceans have faced new challenges, revealed new wonders, and provided a roadmap for future conservation

An endangered White's seahorse.

Undersea 'Hotels' Deployed to Help Sydney's Endangered Seahorses

Captive breeding and microhabitats may help restore White's seahorse whose population plummeted 90 percent in the last decade

The new attraction is the Dominican Republic's Living Museum of the Sea.

New 'Living Museum of the Sea' Established in Dominican Republic Waters

Based around an existing shipwreck, the museum will allow divers to explore cannons, anchors and coral reefs

See a Bald Eagle and Octopus Tangled in Epic Battle

The big cephalopod was winning until the humans intervened

Humpback whales being tagged by researchers off the coast of Antarctica in 2018. The data gathered revealed that diet largely dictates a whales' maximum size.

Whales Are the Biggest Animals to Ever Exist—Why Aren't They Bigger?

New research highlights the role diet plays in dictating a cetacean’s size

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