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

Whales can also help cycle nutrients in the ocean when they disturb the seabed as they feed. Gray whales ( Eschrichtius ...

So let’s remove the emotion, and break it down into simple biological and ecosystem impact. The removal of the shark from the ...

Imagine a fishing boat leaving the shores of one nation, its nets cast wide, unaware that the ripples of its catch will reach ...

The leftover slurry of water, sediment and crushed nodules is then dumped back into the middle of the water column, creating plumes. While the discharge depth is still under discussion, some mining ...

In haunting footage captured about 1,604 feet (489 meters) under the sea, cameras captured the tubular crustaceans latched ...

South Africa’s False Bay was once known as a global hotspot for great white sharks. But within the span of a few years, ...

The sudden disappearance of great white sharks from South Africa’s False Bay is causing major changes in the ocean ecosystem, ...

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

The animals graze the vegetation into a picturesque turf, fertilize the soil with their dung and disperse seeds over large ...

Could an enormous blue whale make a mistake and swallow a dolphin? Learn why it's not possible for blue whales to eat ...

Researchers created DNA tools that detect deep-sea marine animals like squids and octopuses by analyzing ocean water.