Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

Global warming is a reality, and we're seeing it not only in the high summer temperatures but also in these weather cycles ...

The frigid temperatures, massive snow and deadly ice storm taking shape east of the Rockies might seem to conflict with life on a rapidly warming planet. But all of these things still happen, even ...

Winter Storm Fern is a stark reminder that the Trump administration's attempted cuts to weather related research impacts the ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...