Ocean

Scientists are reporting corals are bleaching white and dying from rising ocean temperatures across a more than 1,000km stretch of the Great Barrier Reef.

For the first time, scientists have succeeded in mapping the largest deep-sea coral reef in the world, which runs hundreds of miles off the Atlantic coast of the United States.

A new short film explores South Africa's underwater vastness to reveal sanctuaries where sharks and rays find refuge.

As the toll from Maui’s catastrophic wildfires continues to climb, experts warn the disaster also poses a grave threat to the coral reefs and delicate ocean ecosystems that surround the devastated town of Lahaina.

An alien-looking, see-through squid with demonic red eyes has been filmed in the deep waters off the coast of Alaska.

New research identifies the composition and origins of the microplastics.

"Australian scientists have found "incredibly high coral cover" in deeper sections of the Coral Sea relatively undisturbed by fishing and sedimentary run-off."...

A scientific expedition in June found two new deep-sea octopus nurseries on two different low-temperature hydrothermal vent sites off the west coast of Costa Rica

Seawalls are causing intertidal habitats to vanish as ocean levels increase. But eco-entrepreneurs say artificial rockpools and crevices can save wildlife.

Another predatory encounter between two orcas and a great white shark was caught on camera near Mossel Bay, South Africa on Sunday morning.

Our world’s oceans are stunning, so what better way to capture their wide array of colors, personalities and awe-inspiring vastness than through the art of photography?

A new program in Hawai‘i, known as Ākoʻakoʻa, will focus on restoring 193 kilometers (120 miles) of coral reefs off the west of the Big Island, which have been in decline for the past 50 years.

Scientists stunned by scale of destruction after summer of storm surges, cyclones and floods

Lionfish’s rapid spread across the Mediterranean, including to habitats previously thought to be unsuitable, could have significant ecological impacts.

Startup companies and researchers are experimenting with ‘marine carbon dioxide removal’ by altering the chemistry of the ocean and sinking biomass to the seafloor.

Climate change has been singled out as the leading cause of bleaching across the world’s coral reefs.

Three new levels added by US Coral Reef Watch after ‘extreme’ unprecedented heat, with highest alert warning of ‘near complete mortality’

An international expedition from the Schmidt Ocean Institute has revealed the presence of two pristine, cold-water coral reefs growing alongside the walls and bases of several seamounts over 1,000 feet below the surface.

A Rice's whale was just one of the rare sightings researchers found on the 2-month-long expedition.

When two orcas arrived in False Bay, Cape Town, great white shark sightings dropped dramatically. Eight years later, the sharks still haven’t returned.

Scientists have long listened to the ocean, but new technology is helping to piece together a far more complex picture of life beneath the waves. Here, BBC Future lets you listen in.

New research reveals how marine microbes use an extra membrane that once had digestive functions to boost their yield from photosynthesis.

This pilot edition of the State of the Ocean Report (StOR) was proposed and developed to demonstrate the feasibility of keeping the world up to date on the current state of the ocean. Building on examples from IOC-led or joint initiatives, the report is structured around the initial Challenges of the UN Decade of Ocean Science...