Polar bears live on ice—but new conditions are injuring them Polar bears live on ice—but new conditions are injuring them Bird flu is spreading from pole to pole. Here’s why it matters.

Editor's Note: National Geographic went too far in drawing a definitive connection between climate change and a particular starving polar bear in the opening caption of our December 2017 video ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...