Intense vessel traffic in coastal megacities disrupts marine ecosystems, threatening endangered species and habitats.

Marine habitats are facing unprecedented threats, with 66% of coastal areas already altered and degraded. Bottom-contact ...

A photographer shares the epiphanies she has had while chronicling underwater jungles off the California coast ...

Glaciers and sea ice are declining, impacting marine biodiversity, ecosystem functioning, tourism and Arctic livelihoods.

A new technique offers a way for managers to make sure they include the perspectives of local women when designing marine ...

New high-resolution satellite map reveals nearly 100,000 unknown ocean mountains, or seamounts, boosting climate and maritime ...

Between 252 and 66 million years ago, the ocean underwent a revolution. That's when plankton with calcium carbonate skeletons ...

A new study has found worrying signs that climate change may be undermining the capacity of Arctic fjords to serve as ...

OAA scientists uncover a towering stone monolith in Papahānaumokuākea, revealing new insights into the Pacific’s deep-sea ...

Even biologists only capture a glimpse of the lives of whales. There are still many species whose lives are largely a mystery, particularly the deep ...

The ocean is one such ecosystem, delicate and easily damaged by increasing temperatures. Known as marine heatwaves, these events can devastate ocean populations and ecosystems around the world.