A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

March, unleashing severe winter weather and major travel disruptions across the United States and Canada. The extreme cold ...

Part of the system that pumps water, heat and nutrients around the globe is at risk. Climate change could slow the Antarctic ...

Melting ice sheets are slowing the Antarctic Circumpolar Current (ACC), the world's strongest ocean current, researchers have ...