How extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees ...

The polar vortex has brought Arctic cold to the New York City area—and below-freezing wind chills are in the forecast for the ...

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

After days of balmy weather, New York City is slated to get buried in snow and then hit with an arctic blast expected to ...

Lansing Community College canceled classes on Tuesday because of the frigid weather settling in across Michigan.

Temperatures on Wednesday are forecast to struggle to make it above 20 degrees. However, on Thursday, New York City residents ...

Temperatures in the North Carolina mountains are falling to nightly lows near zero, with wind chills near minus-20 degrees, ...