A bitter blast of Arctic air and frigid wind-chill values that has arrived in the Northeast following a major winter storm could come with an unexpected twist. A natural phenomenon called frost quakes ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

As Michigan faces winter weather and snow, with Arctic cold air in the region, there's a risk of hypothermia and frostbite.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

This week's Arctic blast will send sub-freezing temperatures reaching as far south as the Gulf Coast states, which could set off frost quakes in areas that rarely experience the phenomenon.

TEMPERATURES this morning are as low -4.4C in some places across the country as frost and ice blast Ireland. And temperatures ...

A blast of arctic air will bring temperatures in Vermont as low as double digits below zero early next week, according the National Weather Service of Burlington. “We're going to get a shot ...

A bitter blast of Arctic air and frigid wind chills that arrived in the Northeast following a major winter storm comes with an unexpected twist: a natural phenomenon called frost quakes. Unlike ...