Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 17 ...

Extreme cold warnings were issued for an 11-state swath of the U.S. stretching from the Canadian border to Oklahoma and ...

The service warned that "dangerously cold" wind chills presented a risk of frostbite and hypothermia if unprotected skin is exposed to such temperatures. It advises those in affected areas to dress in ...

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

Whether you hop on a no-fly transatlantic cruise to America, or embark elsewhere, you’re in for the cruise adventure of a lifetime when it comes to North America.