A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Meteorologists said the eastern two-thirds of the nation is threatened with a winter storm that could rival the damage of a ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

Syrian Civil Defense teams, under the Ministry of Emergency and Disaster Management, carried out more than 100 field ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

Cold temps are not uncommon in January, but the polar vortex-related extremes the Elgin-area will see Friday are downright ...

Regular folks who care about wildlife generally know that climate change is bad for polar bears, but they have only vague ...

The January charity event was scheduled for Saturday but temperatures expected to hover just above single digits forced its ...