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 ...

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

Polar bears on an island off Russia's far eastern coast have taken over an abandoned research station and made themselves at ...

The polar vortex is stirring up, bringing the earliest hints that the seasons are changing. When will Wisconsin see its first freeze?

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

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

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 ...

Scientists are beginning to take clear sides on whether or not to use human-made interventions to preserve polar ice, such as pumping up seawater or launching aerosols into the atmosphere to cool the ...

Britain's flagship polar research vessel heads to Antarctica next week to help advance dozens of climate change-linked ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. For polar bears, the climate change diet is ...