Dust off the parkas. After a mild December, the polar vortex is set to send an arctic blast into the U.S. later this week. "That polar jet will be pushed further south, and guess what that does? It ...

Also on this week's episode: tracking down a stellar explosion, climate apathy, arctic foxes are key in northern food web and ...

Polar bears are more than hunters as their leftovers feed many Arctic animals, forming a vital food web threatened by melting sea ice.

Next week’s pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns ...

Maybe you’ve seen a video clip of a fluffy white fox moving carefully through a frozen landscape. Suddenly it leaps into the air and dive-bombs straight down into the snow. If so, you’ve witnessed the ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...