Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The season’s most extreme storm so far is set to lash the eastern half of the United States with damaging ice and heavy snow ...

An array of animals and plants survive winter in the subnivium, nature’s igloo. But climate change is threatening this hidden ...

An ice storm occurs when freezing rain coats roads, trees and other exposed outdoor surfaces with a layer of ice, creating ...