A polar bear chased residents near a school in a small Alaska village last week, killing a mother and her 1-year-old son before another resident shot the bear dead, state troopers said. Polar bear ...

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather pattern to blame for blasts of cold air.

As climate change diminishes sea ice from coastal communities in the Arctic and the subarctic, researchers expect polar bears to range farther into the towns and camps in that remote part of the ...

The polar vortex has been “considerably stronger” than usual this year, according to Laura Ciasto, a meteorologist with NOAA’s Climate Prediction Center, which should keep record-breaking ...

Looking back on more than 20 years of climate agitation, two themes emerge: a stubborn unwillingness by campaigners to acknowledge any inconvenient science, and ever-shifting favorite stories, firs… ...

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It’s typically held in place by strong westerly winds known as the polar jet stream.

The impacts of human-caused climate change are so overwhelming they’re actually messing with time, according to new research.. Polar ice melt caused by global warming is changing the speed of ...

Climate change and loss of sea ice putting polar bears at risk of starvation, collar cameras show. Terrestrial animals will not provide the bears with the nutrients they need.

As climate change brings pathogens into new environments, one of the world’s southernmost population of polar bears — and the animals they hunt — are encountering more than they used to.

The polar jet stream and polar vortex are two rings of fast-moving air around the Arctic that play a large role in world weather patterns. Many climate scientists believe that global warming is ...

Polar bears are struggling to survive as sea ice dwindles. Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay ...

The polar vortex has been “considerably stronger” than usual this year, according to Laura Ciasto, a meteorologist with NOAA’s Climate Prediction Center, which should keep record-breaking ...