Fishers organize their catch in their traditional dugout canoe, called a dungi, after a day of shrimp harvesting at Hara ...

Researchers have long suspected that bowhead whales keep in touch from far away. New evidence of synchronized diving between two whales 100 kilometers apart supports the theory.

The ocean became a dumping ground for weapons after Allied forces defeated the Nazis. Now a team of robots and divers are making the Baltic Sea safer.

Non-native pink salmon have swarmed Norway’s rivers, prompting a relentless—and potentially fruitless—fight to beat back the invaders.

As the climate warms, popular coastal tourist haunts across Europe will be hit hard by extreme weather.

The adoption of ship scrubbers—technology meant to clean up dirty fuel—has caused a surge in heavy metal pollution.

One Great Shot: Are You Ready for This, Jelly? During a nighttime dive, a veteran underwater photographer captured a tiny fish’s cunning effort to find a safe spot in a dark sea.

Squeezed between the ocean and Cape Town’s urban sprawl, coastal caracals are the first felines to regularly dine on marine prey.

Non-native pink salmon have swarmed Norway’s rivers, prompting a relentless—and potentially fruitless—fight to beat back the invaders.

As the aquaculture industry grows, new research finds that seafoods raised in marine waters have a smaller carbon footprint than those raised in fresh water.

The ocean became a dumping ground for weapons after Allied forces defeated the Nazis. Now a team of robots and divers are making the Baltic Sea safer.