Windchills could reach -40 degrees in Milwaukee today. How does this compare to other cold places, like Canada and Antarctica ...

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

The heavy steel structure toppled over and landed in the middle of a residential street on Tuesday night.

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

Beneath Antarctica’s frozen seafloor, scientists have uncovered traces of an ancient, temperate rainforest that thrived near ...

After the winter storms that passed through the majority of the country, most people would not think twice about temps in the ...

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...