The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

A cold winter is in store for those in the northern U.S., with milder temperatures across the southern tier, according to ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary between Arctic and more temperate air – dips deeply southward, bringing the ...

When will the first frost hit Mississippi in 2025? The polar vortex is stirring up cold weather. NWS shows winter data from ...

Should this La Niña remain weak through 2025, the climate pattern’s influence on Oklahoma's winter weather. Here's what to ...

The polar vortex is whipping up the first hints at the cooler fall months, and soon, winter in NJ. Here's what to know.

For polar bears, the climate change diet is a losing proposition, a new study suggests. With Arctic sea ice shrinking from climate change, many polar bears have to shift their diets to land during ...