Scientists call for better protection of Antarctica’s vulnerable seafloor ecosystem as ship traffic increases around the continent.

Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.

Rising temperatures in the North Atlantic are slowing vital currents, but a new process in the Arctic could save the day, scientists say.

Researchers sequenced the knotty sea spider’s genome for the first time, revealing a missing gene that many other animals ...