Today, polar bears live only on the northernmost stretches of ice and snow, but their roots may lie farther south -- in an area that is now Ireland. Sometime within the last 50,000 years, suggests a ...

Penguins and polar bears do not share icy landscapes. Penguins evolved in the Southern Hemisphere, adapting to cold waters ...

DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50 ...

If you liked this story, share it with other people. The researchers say they’re unsure how the injuries will affect polar bear populations, but they speculate the injuries could reduce the bears’ ...

A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.

With the climate crisis causing a horribly dire plight for polar bears, the areas in which they may be naturally spotted are changing. Similarly, hunters have decimated grizzly bear populations in ...