Polar bears are healthier, with more fat reserves, than they were 25 years ago, despite a decrease in Arctic sea ice around Svalbard islands.

An expert said that the way the mammals are sustaining themselves is likely transient: 'it will be OK for a while, until it isn't.' ...

In a warming world, the polar bear has become the unofficial mascot of ecological collapse. We’ve all seen the photos of ...

Shortly after her arrival last fall, Amelia Gray met Hudson, and the pair hit it off immediately. They touched their noses together in greeting and chuffed — a soft, breathy, snorting sound ...

Finding a suitable winter den can determine whether a bear survives months of cold, deep snow, and food scarcity. For ...

Experts documented a rare case of one polar bear adopting another’s cub, offering an exciting moment of hope for the species.

V isit the Antarctic and you’ll find penguins. Lots of penguins. Chubby, slow (on land, at least), feathery penguins. And do ...

Polar bears on an island off Russia's far eastern coast have taken over an abandoned research station and made themselves at home. Drone footage captured by photographer Vadim Makhorov shows the large ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. This story was originally published by the Guardian and is reproduced here as part of ...

Brookfield Zoo, which has cared for generations of polar bears, hopes to offer guidelines for an area where mothers den at ...