A polar vortex is a large, low-pressure system of cold air that typically resides near the Earth’s poles, surrounded by ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

It's already a lot to endure frigid winter conditions, but what happens when we get an unwelcome visit from an even colder spell of air like a polar vortex? "A polar vortex is simply that: a vortex ...

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the ...

PITTSBURGH — January was a mild one for Pittsburgh, with the monthly temperature almost two degrees above average. Snowfall finished a half an inch above average. Back in mid-January, we told you how ...

Scientists have released the most detailed polar region terrain maps ever created. Credit: Polar Geospatial Center/University of Minnesota/Maxar/ National Geospatial-Intelligence Agency A team of ...

The polar vortex is in its final month as the condition that kills it is now occurring. The polar vortex is a swirling vortex most often centered over the top of the globe and hovers over the north ...

Greenland, July 2008. The Arctic has already reached the 2 degrees Celsius warming milestone during some months of the year. (Eric Post/UC Davis) With 2019 on pace as one of the warmest years on ...

Many species will become extinct as a consequence of global warming. This is the prediction of a mathematical model. The simulations show that climate change will have a particularly large impact on ...