The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

Old Man Winter will begin to ease his icy grip on much of the central and eastern United States in the coming days and weeks, but there will still be some periodic outbursts from the Arctic, ...

After more than a week of extreme cold warnings across much of the province, the cold snap in Saskatchewan is finally coming ...