Satellite image of a bomb cyclone. It’s winter in the Northern Hemisphere. We are actually having a proper one this year. Irrespective of what is going on with our climate, it is supposed to be cold ...

The Philadelphia metro area is already writhing in the icy grip of an extended cold snap, but the cold weather blues may have only just begun, as the Delaware Valley may get sideswiped by a bomb ...

The extreme cold that has gripped much of the eastern United States this winter shows no immediate signs of relenting, as a significant disruption to the Polar Vortex is expected to occur later in ...

The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or shifts, Arctic air can spill south, increasing the risk of snow and ...

Add Yahoo as a preferred source to see more of our stories on Google. Extreme cold temperatures can cause pipes to freeze — and burst. (Image via Getty Images) (jhorrocks via Getty Images) It's polar ...

A polar vortex split high in the stratosphere is expected to send frigid Arctic air toward Michigan and the Great Lakes. The event could bring colder-than-normal temperatures and late frosts to the ...