Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Studying crowd dynamics could inform strategies that help to prevent dense gatherings from becoming dangerous.

Experts have shared their insights on the 'complex' weather phenomenon amid fears it could leave vast swathes of the country ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.