Antarctic Circumpolar Current churns 6 billion cubic-feet of water per second Vortex slows in cool eras, like the Ice Age, but speeds up with global warming Researchers drilled 500- to 650-ft-long ...

Reports of an impending polar vortex collapse are circulating online, with some forecasts claiming that Arctic air could ...

Scientists expect that "if A23a spends an extended time in the vortex, the iceberg could melt significantly and affect plankton and other organisms in the marine food chain." Eventually ...

snow will be slow to melt away," said National Weather Service Meteorologist Alyssa Clements out of Nashville. What's an Arctic air mass? What is a polar vortex? Arctic air masses originate over ...