Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

Regular folks who care about wildlife generally know that climate change is bad for polar bears, but they have only vague ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change.

Seals favored by Svalbard bears are becoming easier to hunt as ice declines, a study found. But researchers say the situation may be temporary.

An expert said that the way the mammals are sustaining themselves is likely transient: 'it will be OK for a while, until it isn't.' ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...