The polar vortex is a massive, swirling band of cold air that normally traps frigid temperatures around the Arctic. However, recent scientific studies show this vortex is weakening, which could ...

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 ...

Mandy Moore was red carpet-ready on Sunday — regardless of how much shut-eye she got the night before. The actress, who took to Instagram to show off her look for the Peabody Awards, ...

The polar vortex usually keeps cold Arctic air confined above the North Pole, but experts believe it is starting to shift and ...