Eyewitness video from Friday (July 11) shows thick smoke columns billowing from the White Sage Fire spreading across the North Rim of Arizona's Grand Canyon. World's oldest head of state, Cameroon's ...

One new study identifies a 17 percent increase in the destructive potential of the strongest nor’easters, while another ...

There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Applications for $16 billion in federal assistance for North Carolina agricultural producers who suffered crop losses from ...

The Founding Fathers who gathered in Philadelphia to adopt the Declaration of Independence on July 4, 1776 picked a nice day ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. It will stay frozen there all ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.