Researchers have taken a close look at the global ocean's great "conveyor belt," and they don't like what they've found. The Antarctic Circumpolar Current, a clockwise current that helps to ...

Through urine, feces, placentas, carcasses and sloughing skin, whales bring thousands of tons of nitrogen and other nutrients from high-latitude areas like Alaska and Antarctica to low-nutrient ...

Previous research suggested one vital part of this conveyor belt could be headed for a catastrophic collapse. Theoretically, warming water around Antarctica should speed up the current.

The study focused on a handful of baleen species — namely, gray whales, humpback whales and right whales — which display “traditional migratory patterns,” moving from colder waters in the summer to ...