Cold snap hits records from Iowa prairie to upstate New York. Read more at straitstimes.com. Read more at straitstimes.com.

Polar vortex systems will bring dangerously cold weather to much of the U.S. this month. Learn how to stay safe, and which ...

The beginning of December has meant lots of snow and low temperatures in the Midwest and Northeast United States.

More Arctic air is building over northern Canada and will be directed into the United States, courtesy of the polar vortex. How long will the cold waves last? Will it stay cold through Christmas?

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

Year-round, severe, artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

Frigid Arctic air is pushing south into the United States, and fortunately, it doesn’t look like freezing temperatures will ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...