The new crop of grizzly cubs that will emerge this spring to the delight of visitors in Yellowstone have likely already been born, researchers say.

A grizzly spotted out wandering in Yellowstone National Park on Monday might be up from hibernation incredibly early or awake ...

These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...

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

After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.

Shrinking sea ice has made life harder for polar bears in many parts of the Arctic, but the population in Svalbard seems to ...

Shortly after her arrival last fall, Amelia Gray met Hudson, and the pair hit it off immediately. They touched their noses ...

Footage captures grizzly bear venturing out in Yellowstone, way before its typical hibernation period ends ...