It's time to recalibrate the navigation systems on ships, airplanes, as the position of the magnetic North Pole is officially ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

A polar vortex could cause light snow over the weekend in Knoxville. A polar vortex is to blame for freezing temperatures.

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

A winter storm that dropped heavy snow and glazed roads throughout the U.S. South was maintaining its icy grip on much of the ...

A powerful winter storm that dumped heavy snow and glazed roads with ice across much of Texas and Oklahoma lumbered eastward ...

CAPE CANAVERAL, Fla. (AP) — A spacecraft has beamed back some of the best close-up photos yet of Mercury’s north pole. The European and Japanese robotic explorer swooped as close as 183 miles ...

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some parts of the U.S. hit by the plunging polar vortex this week began to shake ...

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some other parts of the U.S. hit by the plunging polar vortex this week began to ...