Much of the country felt the impact of a winter storm that included extreme cold and moisture, according to the U.S. Drought ...

Last year capped a string of historically hot years, driven by long-term warming and changes in rain patterns.

A severe cold wave is sweeping across North America, including the United States and Canada. Accompanied by a winter storm, ...

Skywatchers across the northern United States are being handed a rare midwinter gift, with forecasters warning that auroral ...