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

Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...

Forecasters are warning that virtually the entire United States is about to be engulfed in a deep freeze, as a distorted ...

With the Northern Hemisphere well into the winter months, it may seem like temperatures are cold enough already. However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable records show a patchwork of extreme outbreaks rather than a single, weeks-long ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A satellite image showing a large area of low pressure, from the polar vortex, moving into the ...

It's only early November, but here comes the “polar express,” weeks ahead of schedule. A cold blast more typical of early December will stretch from the Northeast all the way down the Atlantic Coast ...