a mother polar bear emerges from her den with her two young cubs. For the baby bears, it is their first time experiencing the Arctic outdoors. "She leads them into a new world of sights, sounds ...

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 ...

A polar bear lounges in a field of pink flowers. An arctic fox skips gingerly as the thaw of spring moves in. And a baby chimpanzee sips a bottle. The 2024 Nature Photography Contest showcases the ...