A groundbreaking study in the journal Science, has unveiled how deep ocean currents—known as global overturning ...

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.

The polar bears at the Buffalo Zoo are kept comfortable in the hottest months of the year with climate controlled habitats and always-cool swimming pools.

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