A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

A Siberian chill is on the horizon, threatening to plunge the U.S. into a deep freeze in parts of the east coast ...

Manatees and sea turtles are vulnerable to cold snaps like the Arctic blasts this month as cold air can drop the temperature ...

At least 15 states are currently under winter weather warnings due to the polar vortex, with chances between 60 and 90 percent for at least eight inches of snowfall for states like Kansas and Indiana.

Temperatures could be 12 to 25 degrees Fahrenheit (7 to 14 degrees Celsius) colder than normal as the polar vortex stretches down from the high Arctic. “This could lead to the coldest January ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast ...