After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

What’s the hurry? It is freezing with temperatures near zero Fahrenheit and a biting wind. But that’s not what’s causing the ...

The arctic blast has hit Oklahoma, bringing frigid temperatures as well as a snow and ice risk to Oklahoma on Tuesday. >> See KOCO 5's interactive map with real-time road conditions hereSign up for ...

Please contact [email protected] if you wish to receive the overview document in any of the languages listed. Working with Canadian and international partners from ...

Although nearly half the state is under an extreme cold warning, most Texas residents should not expect snow amid this week's ...

Obtain daily sea ice extent values, ranges, and median values for the Arctic or the Antarctic. Analyze monthly-averaged or daily sea ice extent and concentration via interactive maps. Plot monthly ice ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

Vaccines are recommended for transplant recipients because those patients have a much higher risk for infections. The ...