Melting sea ice is accelerating its uptake of carbon dioxide, driving a chemical change in the ocean that is a severe threat to life in the ocean.

Maria Sotek is overseeing a rescue mission for South Ari Atoll’s Maamigili Reef, which was buried with sand during construction of an airport runway on Maamigili Island.

Sá highlights the effects of climate change through his underwater films while supporting NGOs and the Portugese Kids Dive organization.

An unexpected encounter on a night dive teaches a young diver why ‘never mess with the marine life’ is a cardinal scuba rule.

Steven Schwankert has dove the submerged Ming-era section of the wall 40 times, part of his decades-long love affair with submerged Chinese history.

With the Oceanic+ app and inbuilt dive features, the Apple Watch Ultra ($799+) can do double duty as a dive computer.

The minute fish about the size of your fingernail has the highest expression levels of antifreeze proteins of scientists have ever seen.

A survey of more than 60 fishing communities found no confirmed sightings of the mammal, which has lived in Chinese waters for hundreds of years.

it’s difficult to reconcile how the most beautiful things you have ever experienced can be the worst they’ve ever been. But the data is clear—we've lost more than we can imagine.