A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...
A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...
A low-pressure system hovering over the U.S. will summon Arctic air into lower latitudes. The extent of the cold snap’s ...
The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., ...
A massive winter storm is set to bring snow and ice to much of the South. Here's what to know about snow forecasts in Texas, ...