A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

Millions could see their first snowfall of the season this weekend as cold air brings the threat of snow to 13 states.

Northern lights are expected to dance across U.S. skies again on Wednesday night, Nov. 12, after appearing as far south as ...

America's homelessness crisis continues to grow despite the billions of dollars spent by federal and state authorities in recent years to address the problem, suggesting, experts say, that its root ...