Polar bears near Svalbard are gaining fat despite sea ice loss, revealing how some Arctic wildlife is adapting to warming.

With climate change steadily dismantling the icy habitat essential to their existence, new research suggests polar bears are rapidly rewiring their own genetics in a bid to survive. The species is ...

In an Arctic where most polar bears are losing weight along with the sea ice they depend on, one group has startled researchers by turning up in robust health and carrying thick layers of fat. The ...

Joanna Lynne Kelley. Photo by Jennifer Feitosa. Growing up in the woods of Santa Cruz, Joanna Lynne Kelley was constantly exposed to the beauty and diversity of nature. Surrounded by the variety of ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic warms and traditional hunting grounds vanish, researchers are finding that ...

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

A polar bear feasts on a seal it captured in the receding tide along the Hudson Bay Lowlands. Ryan St. John peers through his binoculars on the shore of Hudson Bay near his home community of Arviat, ...

When scientists in Canada came across a female polar bear with two cubs in the fall, they made an unusual discovery: One of the young was not her own offspring but instead a rare documented example of ...