Dragging heavy nets across seabed disturbs marine sediments, world’s largest carbon sink, scientists report

Analysis suggests the risk of extinction of some species may not be as high as previously thought, but researchers warn local depletion still has a devastating impact

It’s winter in Miami. Many New Englanders come here to escape the snow, although none opt for snorkeling on this windy January morning. We pull off the side of the highway with specific instructions about where to find a particular species of seagrass from Laura Eldredge, manager of the Biscayne Bay Aquatic Preserves.

Sawfish have lost 59% of their historical distribution and are heading toward complete extinction due to overfishing, a new study says, posing a threat to ocean biodiversity and indicating that policies worldwide to protect the world's largest ray are not being enforced.

New figures show just how abundant ecologically destructive carp are in Australia's waterways - now the government is considering using a herpes virus to reduce the population

The world's largest animals are unusually good at taking carbon dioxide out of the atmosphere.

Preserving our pristine seas will boost biodiversity, replenish fishing stocks, and store carbon.

The air was warm as the skies grew dark over Diego Garcia. As the nearly full moon reached its highest point, a green sea turtle scuttled her way onto the...

A vast, mostly invisible ecosystem crucial to our life on Earth is in trouble, but efforts to save the 'prairies of the sea' are finally coming into focus

A sargassum bloom the width of the Atlantic Ocean caused havoc on beaches, but locals in Mexico and the Caribbean are fast finding ways to turn the seaweed invasion to their advantage.

Octopuses use their arms to ‘lick’ prey – which researchers say adds to evidence that the cephalopods’ eight appendages are analogous to tongues with ‘hands’ and ‘brains’

Ram's horn shells are small, delicate spiral structures beachcombers can commonly find throughout the world.

Australian scientists have discovered a detached reef more than 500 metres high – taller than the Empire State Building – at the northern end of the Great Barrier Reef. The “blade-like” vertical reef about 130km off Cape York, Australia’s north-eastern tip, was found during a 3D seabed mapping exercise conducted from a ship owned by the Californian non-profit Schmidt Ocean Institute.

A new study finds corals on the Australian mega-reef declined 50 percent between 1995 and 2017

The False Bay ocean food chain in Cape Town began to change significantly in 2015 with the appearance of shark-eating killer whales.

The partial skull of an armoured fish that swam in the oceans over 400m years ago could turn the evolutionary history of sharks on its head, researchers have said. Bony fish, such as salmon and tuna, as well as almost all terrestrial vertebrates, from birds to humans, have skeletons that end up made of bone. However, the skeletons of sharks are made from a softer material called cartilage – even in adults.

In 2018, a super-typhoon destroyed 80% of the corals in Hoi Ha Wan bay off the Sai Kung peninsula in Hong Kong. In the city’s strongest storm since records began, winds reached 155mph (250km/h) and battered the reefs, leaving behind mostly scattered debris and broken coral skeletons. A few coral species survived, but these will likely take decades to regrow to their former state.

There are 12-21 million tonnes of tiny plastic fragments floating in the ocean, scientists say.

U.S. authorities on Friday gave wildlife managers in Washington, Oregon and Idaho permission to start killing hundreds of sea lions in the Columbia River basin in hopes of helping struggling salmon and steelhead trout.

The crew of the Ocean Voyages Institute returned to land after 35 days on the water.