Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

“You’re cold,” Caracappa said of the 8-to-10-hour shifts. But he said the toughest ... pressure and cold air in the Arctic near the North Pole, that has taken hold over parts of the country ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...