Oceans

The Carnival Sensation cruise ship is seen at Port Miami on April 18th, 2019, in Miami, Florida.

A new study shows that marine heat waves have become more frequent and more severe as ocean temperatures have climbed.

While it may seem like a good thing, coral habitat replacing seaweed could be seriously detrimental to marine habitats off the coast of Japan and in the Mediterranean.

Using a cutting-edge observation system, researchers have found that, unless we reduce emissions, the warming of the world's oceans will continue at a rapid pace.

A botched ocean funeral caused chaos in the Netherlands last week, but across the globe, sea burials are on the rise.

A new study has cast doubt on the extent to which mesophotic reefs may be a refuge for shallower species hit by overfishing, warming waters, and extreme weather.

A surfer rides a wave at the famous Mavericks surf break on December 17th, 2018, in Half Moon Bay, California. A giant swell brought waves of up to 50 feet high to Northern California.

The contaminated beaches that researchers studied in the Mediterranean are crucial nesting sites for both green and loggerhead sea turtles.

The Our Ocean Conference generated 287 pledges in bilateral and multilateral agreements between governments, the private sector, civil society organizations, and philanthropic foundations that are valued at more than $10 billion.

Oregon Governor Kate Brown announced a plan to block offshore drilling off the state's coast on Monday.

Besides the criminal trial that wrapped up on Friday, the state responded with increased regulation and opposition to new drilling.

Australian group Reef Design Labs submerged a 3-D-printed artificial coral reef last month in the Maldives, with the hope that this advanced engineering method will help coral regeneration efforts.

A recent paper found that rich nations are catching the vast majority of fish, even in the waters of lower-income countries, but doubts about the study's conclusions remain.

The International Seabed Council once again failed to come to an agreement over the rules to govern the practice of mining valuable resources in deep ocean habitats.

The House voted Wednesday to extend the program that oversees removal and prevention of plastics in the nation's waterways.

This area of the Atlantic has been known as a nursery for the apex predator for decades, but no one has attempted to study these sharks' movements—until now.

Lawmakers in Washington, D.C., took the first steps toward banning plastic straws in the nation's capital on Tuesday.

Another company joins the movement to reduce consumption of plastics that pollute oceans and harm marine life.

Global Fishing Watch, a non-profit group, is using new technology to fill in a major gap in its monitoring data.

We spoke with surfing sage Steve Hawk about how the new breed of artificial wave pools may reshape the soul of the sport.

Without action, there will be more plastic than fish in the world's ocean by mid-century.

Instead of shaming disabled consumers who rely on straws, let's hold producers of plastic financially responsible for their waste.

Mantis shrimp eyes are unlike those observed in any other animal, both mechanically and optically, leading researchers to wonder how they could spur technological advancement.

Lionfish are non-native invaders introduced to Florida waters 30 years ago that have since proliferated to pestilent levels and unleashed an ecological crisis that is only getting worse