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

Deep-sea mining could unleash clouds of debris that threaten a mysterious, vital ecosystem we barely understand.

As the federal government rolls back fishing restrictions in the Pacific Remote Islands, California is reviewing its network ...

An outbreak of domoic acid poisoning caused by an algae bloom in Southern California has sickened and killed dolphins, sea ...

An iridescent blanket octopus shows off its rainbow-colored cape in a rare new video that will leave you awe-struck.

How might these changes affect fish life in the Indian Ocean? A team of researchers tried to answer this question by looking at what happened in the deep past, through evidence left behind in ...

A strange video from the South Atlantic Ocean showed parasites on a deep-sea fish. These parasites ... that attach themselves to a host fish early in life. They become more embedded as they ...

Pockets of water exist that are so salty they behave more like dense syrup than seawater. These deep, hidden lakes are called ...

These organisms emit a blue glow when disturbed, such as when fish ... of life in the ocean,” she added. There have been previous attempts at compiling databases of milky sea events, but each ...

Some of the animals “likely arrived during recent El Niño phenomena” when ocean currents “temporarily reversed” direction, ...

Surprising footage reveals parasites attached to the head of a deep-sea fish. These crustaceans, visible in a video shared by ...