A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from ...

Trees dating back almost 6000 years have come to scientists' attention due to ice melting in the Rocky mountains, offering a ...

Most of the United States will see a dry holiday with above-average temperatures this year, while some mountain regions might ...

View 15 awe-inspiring images of this range from the Smithsonian Magazine Photo Contest ...

Schools as far south as El Paso, Texas, closed due to a polar vortex that has brought historically low temperatures and ...

In Indiana, the National Guard was activated to help stranded motorists. The storm was expected to reach the Mid-Atlantic ...