A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...
Daughter polar vortices' could bring snow and ice to parts of northern, central, and eastern United States later this month, ...
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...