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 ...

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...

“The proportion of bears testing for antibodies more than doubled for three of these pathogens and was higher than levels reported for other polar bear populations. "Despite this ...