Now, a new study suggests that these cold extremes are due to an increasingly common pattern in the polar vortex, the zone of low pressure that usually circulates over the Arctic.

A detailed analysis of polar vortex collapse mechanisms and how they relate to occasional North American cold outbreaks. Based on recent meteorological studies and stratospheric data, the video ...

Less Arctic sea ice during the winter months also means higher temperatures in the atmosphere, which can weaken or even collapse the polar vortex, according to Severe Weather Europe. The condition ...

Former NFL TE Jimmy Graham breaks Arctic rowing record, makes history with polar ocean crossing Graham was part of an All-American crew that set multiple historic firsts ...

In the remote, icy expanse of the Arctic, the survival of a species begins with a remarkable act of resilience and devotion. The journey of a polar bear mother, from conception to raising cubs in ...

Global warming does not affect our planet evenly. Some areas such as the Arctic region or high mountain peaks warm faster than the global average, whereas others, including large parts of the ...

According to the AWI-CM3 simulations, the amplitude of both, the Madden Julian Oscillation and of the alternating El Niño and La Niña events will increase in the future, which will lead to ...

When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns ...