The Arctic region has shifted from storing carbon dioxide to releasing it into the atmosphere, according to the 2024 Arctic Report Card released by the

Marine biologists diving in the Gulf of Thailand were thrilled in 2023 to rediscover several colonies of a rare type of ocean sponge once thought

The Marshall Islands government has announced it will protect an area of the Pacific Ocean described as one of the most “remote, pristine” marine ecosystems

It’s official: a weak La Niña came into fruition in late December and is expected, with significant uncertainty, to last until sometime between February and

In emergencies, dumping ocean water on fires may be the best option. But seawater can have long-term effects on equipment and ecosystems, as a novel

Average temperatures across the world’s oceans reached an all-time high in 2024, a new multi-team study shows. The temperatures surpassed even those of 2023, which

1. Long-awaited plastics treaty flops, for now Despite around-the-clock efforts from delegates, negotiators and numerous advocacy groups, the fifth session of the U.N. Environment Programme’s

Evolution has perfected the world’s sharks and rays for more than 420 million years. Unlike the ammonites or pterosaurs that they once shared the oceans

Ocean-based carbon dioxide removal technology is ramping up, with startups and existing companies racing to develop electrochemical techniques that either remove carbon from seawater or