But, today, it’s all about the cold. Temperatures plunged into the teens and single digits in some spots, and the snow-dusted ...

In Indiana, the National Guard was activated to help stranded motorists. The storm was expected to reach the Mid-Atlantic ...

People in the U.S., Europe and Asia experience the polar vortex's intense cold when it escapes the North Pole and plunges ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

Veterinarians urge dog owners to rethink their winter walking routines as the polar vortex plummets temperatures for much of ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

Storm Blair has hit most of the U.S., bringing freezing temperatures to Texas. Precipitation later this week could mean snow ...

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is keeping an area stretching from the Rocky ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

Let's jump into the polar vortex on this week's Weather IQ. The polar vortex refers to a large area of cold air that sits in the upper atmosphere over the poles. This area of air is kept in place in ...