It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter.

The strong polar vortex which ushered in the record cold is being replaced by a warming trend. All this week high ...

This weekend will start a warming trend for much of the nation, after a particularly brutal stretch of below-average temperatures.

Snowy roads led to hundreds of crashes throughout Virginia and North Carolina, including a series of crashes on an interstate highway involving more than 50 vehicles ...