Temperatures have been below freezing in the northeastern United States over the past few days, accompanied by fresh snowfall ...

A polar vortex may be headed our way later this month. The phenomenon is a low-pressure buildup of cold air that swirls around the polar regions of the Earth. As it expands in the winter, it can send ...

The U.S. Department of Transportation issued an emergency declaration for four northeastern states - New York, New Jersey, Delaware and Pennsylvania - after an outage at one of the largest underground ...

At least 1,500 flights have been cancelled or delayed across northeast US as a powerful winter storm disrupts one of the ...