Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.

An Arctic air mass, sometimes known as a Siberian Express, is expected to move over Michigan by Sunday and will leave ...

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

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

The temperature is predicted to be around 22 degrees during the swearing-in, the coldest since Ronald Reagan’s second ...

Forecasters have released new details on timing and expected snowfall for Sunday's winter storm in Virginia. See the latest.

The National Weather ... pushed cold weather into central states, like Ohio. Pic: AP The winter storm is being driven by a polar vortex, usually located around the North Pole, which has dipped ...

Fire-struck America faces fresh misery from a ‘Siberian Express’ winter storm threatening a near nationwide whiteout. As ...

Lala survived illegal wildlife trafficking in the Bolivian Amazon and now lives in a sanctuary with other rescued big cats.

The polar vortex, a band of strong winds that circles the North Pole, will send a blast of arctic air to Texas. The good news is the center of the polar vortex is staying in Canada. It is not coming ...

A joint Japanese-European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the ...