Oceans

Sharks are a broad and diverse group of species, but in the public imagination we tend to treat them all the same.

Humans Have Promoted the Reef Shark to Apex Predator

How these diverse predators ended up getting all the credit

Rising drought. Surging seas. Spiking temperatures. 2015 was just another year in a long pattern of Earth's changing climate.

World’s Climate Hit Extremes, Shattered Multiple Records in 2015

From rising temperatures and ocean levels to record greenhouse gas levels, 2015 was a rough year for planet Earth

A brittle star swimming over a field of polymetallic nodules

Future Deep Sea Mining Sites Are Bursting With Rare Marine Species

The area is full of rare metals, but a new study shows it's a hub for deep-sea diversity, too

The Great Blue Hole, a 354-foot deep cavern and popular dive site in Belize's Lighthouse Reef

Explore Some of the World's Deepest Blue Holes

The Dragon Hole in the South China Sea is now the "world's deepest" underwater sinkhole. Learn why these geologic wonders form in oceans around the globe

Corvette Stingray

These Sleek, Sexy Cars Were All Inspired By Fish

You’ve heard about the Stingray, but what about the Bionic Boxfish?

The purple orb, which may be a new species of nudibranch

Researchers Find Mysterious Purple Orb in the Channel Islands

The creature stumped the team and could be a new species

The skeleton of a new species of beaked whale in Unalaska high school

New Species of Beaked Whale Discovered in Alaska

DNA analysis and a washed up corpse confirm this a new dark-colored species of beaked whale

Migaloo and a companion in 2005.

Track the Whereabouts of This Rare White Whale on Twitter

These beautiful creatures have long delighted those lucky enough to catch a glimpse

An up close view of coral

Watch Corals in Action With New Underwater Microscope

The Benthic Underwater Microscope opens up a whole new age of ocean exploration

Two skulls belonging to extinct marine mammal herbivores used in the new study, both from the Smithsonian's collections.

When Did Today’s Whales Get So Big?

More recently than you might think, say scientists who scoured the fossil record

Did Ancient Pacific Islanders Use Obsidian to Make Their Tattoos?

A team of Australian researchers think they may have found tools used to ink the ancients

An acorn worm observed at a dive spot called Twin Peaks

Mission to Mariana Trench Records Dozens of Crazy Deep Sea Creatures

The <i>Okeanos Explorer</i> has spent three months mapping the seafloor and recording deep sea life in the ocean's depths

Trash on Cheung Sha Beach, Lantau

Hong Kong Beaches Are Swamped With Trash, and No One Knows Why

The piles of rubbish could be transported by ocean currents or recent floods

Sharks and Humans: A Love-Hate Story

A short history of our relationship with the ocean’s most intimidating fish

Mom, is that you?

Every Sperm Whale Alive Today May Have Descended From the Same Female

An 80,000-year-old "Eve" was the mother of all modern sperm whales—literally

Rough diamonds from the Juina region of Brazil.

Diamonds Illuminate the Origins of Earth's Deepest Oceans

Crystals could be the key to where our water came from, and what that means for finding life on other planets

That's one big pile of crabs.

Watch a Horde of Giant Crabs Amass Off of the Australian Coast

Hundreds. Of thousands. Of crabs.

A drawing of one of the Athenian ship sheds built in the harbors of Piraeus

Archaeologists Uncover Massive Naval Bases of the Ancient Athenians

Researchers have excavated ship sheds in the city of Piraeus that held triremes from the pivotal Battle of Salamis

The 'Andrea Doria' in its last hours

New Footage Shows Rapid Breakdown of Shipwreck 'Andrea Doria'

Researchers visited the remains of the Italian luxury liner in a submersible to figure out how quickly wrecks deteriorate

Artist's rendering of the first U.S. dolphin sanctuary

National Aquarium Will Move Dolphins to Seaside Sanctuary by 2020

Under mounting public pressure, the aquarium's eight bottle-nosed dolphins will soon move to a seaside retreat in the tropics

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