As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...

Severe storms, tornadoes, snow, and ice will hit the U.S. through next week, causing travel issues, power outages, and ...

Winter's grip on the central and eastern states isn't letting up as we enter the second half of February with more bitterly ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people ...