While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of ...

Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

A late January 2026 winter storm left more than snow and ice in its wake.

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other ...

Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it may not last.