Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

An iceberg the size of Rhode Island is on the move again after spending months trapped in a whirling ocean vortex. The iceberg, named A23a, measured 1,505 square miles in area in February this year, ...

Water, salt, and heat all get mixed within eddies with important climate consequences, but the boundary of an eddy is hard to ...