Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Microbes across Earth's coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

A vast pool of Arctic air is again spilling south, the kind of outbreak that can turn highways into morguish car lots and ...

I was just four years old when my family moved to Baffin Island, Canada, where we lived in a remote village among the Indigenous Peoples known as the Inuit. I spent most of my time outside, roaming ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic warms and traditional hunting grounds vanish, researchers are finding that ...

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