oceans

Dive into the world of Shark, a new book by award-winning photographer Brian Skerry.

Starting bids range from $10,000 to $15,000.

The behavior is called breaching.

Sunfish are the biggest bony fish in the sea, but this species managed to elude scientists for centuries.

Courtesy of the Chemo III project, BOEM, and NOAA OER

The tubeworms, found in the deepest waters of the Gulf of Mexico, regularly reach 250 to 300 years old.

"It should not be touched."

The Guardian is designed to capture the hordes of lionfish devastating reefs and fish populations in the Atlantic Ocean.

There are now 53 known shipwrecks off the coast of Fourni, Greece.

Those oysters on the half shell you're slurping down could have a second life cleaning waterways and protecting coastal ecosystems.

It's a one-of-a-kind Ice Age relic.

They're a welcome relief from summertime heat. But what causes them in the first place?

Ansgar Walk, Wikimedia Commons // CC BY 2.5

Scientists say climate change in the Arctic has forced the bears to change their eating habits.

Andreas Trepte, Wikimedia Commons // CC BY-SA 2.5

Researchers used Google Earth and radio tags to survey seals at sea and camouflaged against the ice.

The eel babies join wild boars, deer, foxes, lobsters, butterflies, whales, and their own parents in the magneto-orienteering club.

Hans Peters / Anefo, CC0, Wikimedia Commons

French naval officer, explorer, and filmmaker Jacques-Yves Cousteau helped millions of people learn about what goes on under the ocean's surface—but he originally wanted to fly.

A Hawksbill sea turtle swimming in the ocean.

The ocean is a mysterious place. Dive into some lesser-known facts about the deep.

A black-and-white image of a newly discovered faceless fish.

The “faceless cusk” is rarely seen … and it probably can’t see us.

Explore shipwrecks in Lake Huron and coral reefs off the Florida Keys.

These 200-ton ocean dwellers had a growth spurt 3 million years ago.

Take the quiz!

Matthew Modoono / Northeastern University

"When I took that thing out of the tube, there was a collective gasp among the whole group, along with quite a number of expletives."

New technology lets scientists look inside giant larvaceans’ bizarre mucus houses.

National Museum of the United States Navy

What do you do when you want to go to the deepest part of the ocean? Build a bathyscaphe, of course.

Researchers used a CT scanner to watch how dolphins' oddly shaped junk fits together during sex.

9 Exhilarating Close-Up Photos of Sharks

The U.S. Government Is Auctioning Off Six Historic Lighthouses

Watch a 40-Ton Whale Jump Completely Out of the Water

Australian Scientists Discover First New Species of Sunfish in 125 Years

These Deep-Sea Worms Could Live More Than a Thousand Years

Sponge-Like Debris Is Washing Up on France’s Beaches, and No One Knows What It Is

The Roomba's Creator Invented an Underwater Vacuum That Sucks Up Invasive Lionfish

8 New Ancient Ships Found at the 'Shipwreck Capital of the World'

Restaurants Recycle Oyster Shells to Revitalize Ocean Reefs

Dive Into a 60,000-Year-Old Forest In the Gulf of Mexico With a New Documentary

How Does a Sea Breeze Form?

Polar Bears Are Consuming Less Mercury—But There's a Downside

Survey Says: Gray Seals Are Back

Baby Eels Migrate by Following Magnetic Fields

5 Surprising Facts About Jacques Cousteau

25 Things You Didn't Know About the World's Oceans

Deep-Sea Mission Nets a Fish With No Face

NOAA Launches Virtual Tours of America’s Marine Sanctuaries

Scientists Think They Know How Whales Got So Big

Name the States That Border These Bodies of Water

This Rare Shipworm Is Not Safe for Work

How Blobs of Sea Snot Help Keep Our Oceans Clean

The Craft That First Took Humans to the Deepest Part of the Ocean

Scientists Record an Extremely Intimate Look at How Dolphins Get It On