Brutal midwinter cold is settling in across the eastern United States, and forecasters say it is not leaving quickly. A ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

This winter, the Northern Hemisphere has been suffering from extreme cold. In South Korea, an unusually prolonged cold wave ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here's what to know.