Biggest gold theft in Canadian history - 9 are facing charges in theft resembling ‘Ocean’s Eleven’

6,600 gold bars worth more than 20 million Canadian dollars were stolen.

Greek minister says 2 major new marine parks will be created by the end of this year

Greece's environment and energy minister says his country will be able to create two new major marine parks in the Ionian Sea and the Aegean Sea by the end of this year

CNN Young Wonders: Melati and Isabel Wijsen

Teen sisters Melati and Isabel Wijsen created Bye Bye Plastic Bags, a youth movement to help their home island of Bali become plastic bag-free.

UN envoy says of the threat to coral reefs: 'Are we faced with a colossal ecosystem tragedy? Yes'

The world is not doing enough to protect coral reefs

Greece plans 2 marine protected areas as part of environmental protection program

Greece aims to create two large marine parks as part of an $830 million program to protect biodiversity and marine ecosystems, with the plans to be formally announced at an international oceans conference starting in Athens Tuesday

Scientists say coral reefs around the world are experiencing mass bleaching in warming oceans

Reef scientists say coral reefs around the world are experiencing global bleaching for the fourth time due to prolonged warming of the oceans

Czech man dies after falling into sea while taking photos of huge waves in Spain's Canary Islands

A Czech tourist has died after falling into the sea while apparently taking photographs of huge waves during a storm on the Canary Island of Tenerife

Scientists are grasping at straws while trying to protect infant corals from hungry fish

South Florida researchers are using biodegradable drinking straws to prevent laboratory-grown coral from becoming really expensive fish food

March hottest on record, marks 10th straight month of historic heat

Europe's climate monitor said Tuesday that March was the hottest on record and the tenth straight month of historic heat, with sea surface temperatures also hitting a "shocking" new high.

Project to breed ‘super’-snapper gets Fisheries Minister Shane Jones’ sign-off

Jones believes the new project could future-proof our aquaculture.

Conservationists are protecting the ocean with help from an unusual partner

Marine biologist Dr. Austin Gallagher partnered with tiger sharks in The Bahamas to map the largest known seagrass meadow on the planet.

Global sea levels jumped due to El Nino and warming climate, says NASA

Global average sea level rose by about 0.3 inches (0.76 centimeters) from 2022 to 2023 -- nearly four times the increase of the previous year -- NASA said Thursday, attributing the "significant jump" to a strong El Nino and a warming climate.

This $600k defense against sea level rise could have lasted 3 years. It was destroyed in less than a day

CNN's Bill Weir speaks to homeowners on a disappearing beach in Salisbury, Massachusetts, where a protective sand dune was destroyed during a strong winter storm at high tide.

Mass coral bleaching event underway at Australia's Great Barrier Reef

A "mass bleaching event" is unfolding on Australia's famed Great Barrier Reef, authorities said Friday, as warming seas threaten the spectacular home to thousands of marine species.

February was ninth straight month of record-breaking heat worldwide

Last month was the warmest February on record globally, the ninth straight month of historic high temperatures across the planet as climate change steers the world into "uncharted territory", Europe's climate monitor said Thursday.

What is a whale native to the North Pacific doing off New England? Climate change could be the key

Scientists have confirmed the presence of a whale off New England that went extinct in the Atlantic Ocean two centuries ago

Dozens of new species discovered in deep sea expedition

Marine scientists document dozens of new species during a research expedition off the coast of Chile. Erin Easton, Chief Scientist at the Schmidt Ocean Institute, joins Michael Holmes to share her team's findings.

Study says 2023's crazy Atlantic ocean heat, low Antarctic sea ice give glimpse of much hotter world

Off the charts “crazy” heat in the North Atlantic ocean and record-smashing Antarctic sea ice lows last year are far more severe than what Earth’s supposed to get with current warming levels

AP PHOTOS: In Teahupo'o, Tahiti, coastal village life thrives among powerful waves

In Teahupo'o, the ocean is the heart of village life. Boats bob in the lagoon in the south of Tahiti at sunrise before fishers start their day. Many set out early with poles or spears to catch fish gliding among the corals — fresh food for...

Here's how Russian oil is making its way to the US

CNN's Nick Paton Walsh reports on how Russia is using the open ocean to get around sanctions and sell oil to fund its war effort in Ukraine.

See underwater footage of World War II shipwreck

A research team discovered the SS Arlington in Lake Superior thanks to sonar technology, an ocean exploration technique using sound waves.