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

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

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.

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 ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" ...

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

Washington will be hit with over a foot of snow. The metro area has four million people. Climate change is a trigger. The ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

On Saturday, wind chill values will reach near –35 C overnight and early Sunday morning. Environment and Climate Change ...

A Virginia Commonwealth University (VCU) expert says climate change is intensifying winter storms ahead of this weekend's snow and ice storm.

As winter storms sweep across the United States, affecting over 250 million Americans, the question arises: How do these extreme weather events coexist with the realities of climate change? In this ...

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