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Atlantic Ocean

Jackie's unusual coloring results from changes to her natural pigmentation process.

Meet Jackie, a 1-in-30-Million Calico Lobster Caught Off the Coast of Massachusetts

Now living at Northeastern University’s Marine Science Center, the striking crustacean has a bright orange shell with black freckles and blue joints

Diver Andrew Donn swims above one of the Seiner’s trawl doors on July 27, 2025.

This Fishing Vessel Went Missing Without a Trace in 1929. Divers Just Found It Off the Coast of Nantucket

After the captain completed his required daily check-in on January 18, 1929, no one ever saw or heard from the ST “Seiner” again

The orca known as “Old Thom” swims in front of researchers in the Bay of Fundy.

The Curious Case of ‘Old Thom,’ an Orca Traveling Alone in the North Atlantic

Sightings of the marine mammal captivate the public and baffle scientists

A common octopus (Octopus americanus) raises its arm in southern Florida.

Scientists Map the Ways Octopuses Use Their Complex Arms, Revealing Preferences for Certain Tasks

The cephalopods appear to favor using their front arms, according to a new study, though their back arms help with locomotion

A large section of the possible La Fortuna shipwreck sits on the beach in southern North Carolina

In the Muddy Banks of North Carolina, Student Archaeologists May Have Discovered the Remnants of a Centuries-Old Spanish Ship

While taking measurements of an abandoned wharf site, the students found timber from what experts believe may be part of La Fortuna, a Spanish ship destroyed nearly 300 years ago

The new species lives in the tropical and subtropical waters of the Atlantic, from the eastern United States down to Brazil.

Scientists Identify a New Manta Ray Species, Just the Third Known in the World

Meet Mobula yarae, a large marine creature that lives along the coast in the Atlantic Ocean

A river otter 

From Playful Otters to Pint-Size Owls, These Eight Awesome Animals Call the Chesapeake Bay Home

Blue crabs, bluebirds, beetles and many more creatures can be spotted in and around the bay—and scientists at the Smithsonian Environmental Research Center are paying attention

The "blob" south of Greenland has cooled over the last century, despite warming surface temperatures across the rest of the planet.

Scientists Shed Light on the Mysterious ‘Cold Blob’ in the North Atlantic Amid a Search for Its Cause

In two recent studies, researchers suggest a weakening ocean current system is to blame for a persistent cold spot in the Atlantic Ocean, though other factors may also be at play

A snapshot of the eastern United States as of June 3, from NOAA's GOES-19 satellite.

A Giant Cloud of Saharan Dust Is Heading to the Southeastern U.S. Here’s What That Means

The plume of dust has already blown over the Caribbean and is expected to reach Florida later this week

A baby Atlantic sturgeon caught from Virginia’s James River is measured by Matt Balazik, a research ecologist with Virginia Commonwealth University.

Once in Dire Straits, Atlantic Sturgeon Are Staging a Comeback on the East Coast

From Maine to Florida, the endangered, prehistoric fish is rebounding, but a recent study shows just how vulnerable the U.S. population remains

A portion of the Caribbean Sea washes ashore in Kingston, Jamaica

Discover the Dreamy Beauty of Jamaica’s Beaches, Mountains and Plant Life in These Captivating Pictures

A photographer’s trip to the island yields images that showcase its stunning terrain and vibrant culture

A newly developed A.I. model is based on 40 years of vocalizations from a community of Atlantic spotted dolphins.

Google Is Training a New A.I. Model to Decode Dolphin Chatter—and Potentially Talk Back

The company says its new model, called DolphinGemma, will be made open source this summer. Researchers are also trying to train dolphins to mimic made-up names for certain objects

Researchers recently captured the first-ever confirmed video of the colossal squid in its natural habitat.

Check Out the First Confirmed Footage of the Colossal Squid, a Rare and Enigmatic Deep-Sea Species

Most of what we know about the elusive creature comes from research on its remains found in whale stomachs, but scientists just filmed a one-foot-long juvenile in the South Atlantic Ocean

The crew of the Mackay-Bennett discovers a Titanic lifeboat adrift while searching for the bodies of those who died in the disaster.

The Long, Strange Trip of the Titanic Victims Whose Remains Surfaced Hundreds of Miles Away, Weeks After the Ship Sank

Rescuers only recovered the bodies of 337 of the 1,500-plus passengers and crew who died in the disaster. Around one-third of these corpses were buried at sea

The bow of the Titanic

See the Titanic in Remarkable Detail With a 3D Scan That Reveals New Secrets of the Doomed Ship’s Final Moments

A documentary called “Titanic: The Digital Resurrection” will unveil the most detailed digital reconstruction of the shipwreck ever created. Experts are using the model to study the vessel’s demise

The iceberg A23a, seen in the South Atlantic Ocean near South Georgia and the South Sandwich Islands in November 2024

The World’s Largest Iceberg Runs Aground, Potentially Averting a Collision With Penguin and Seal Breeding Areas

After months of floating, the “megaberg” known as A23a has finally come to a halt roughly 50 miles from South Georgia Island

Police helped keep the baby seal out of harm's way until help could arrive.

Lost Baby Seal Found Wandering in Downtown New Haven Has Been Rescued—and Attained Local Fame

The juvenile gray seal recently weaned off his mother’s milk and ventured five miles into the coastal Connecticut city

The ship has been docked in Philadelphia since 1996.

The Historic S.S. ‘United States,’ the Fastest Liner to Cross the Atlantic, Is Heading to a Watery Grave

Officials plan to purposefully sink the passenger ship off the coast of Florida, where it will become the world’s largest artificial reef

The Vital de Oliveira was discovered by divers in 2011, but the ship's identity was not officially confirmed until now.

Warship Sunk by the Nazis During World War II Located Off the Coast of Brazil

A German submarine torpedoed the “Vital de Oliveira” in July 1944, killing some 100 of the 270 crew members onboard

More than 1,300 tiny snails were released into the wild after a captive breeding effort. One baby snail is shown here on a British five pence coin.

Once Feared Extinct, 1,329 Pea-Sized Snails Have Been Released on an Atlantic Island After Captive Breeding Effort

Goats, rodents and habitat loss threatened the snails on Deserta Grande Island, so the mollusks were reintroduced on a neighboring island that’s free of invasive species

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