Polar bears, unable to thrive on land in Canada's Hudson Bay, are facing greater risk of starvation as Arctic ice melts and they endure longer ice-free seasons, researchers said. In a study ...

Rapidly melting sea ice driven by climate change, a crisis that has transformed the Arctic into a litmus test for our ...

Some polar bears face starvation as the Arctic sea ice melts because they are unable to adapt their diets to living on land, scientists have found. The iconic Arctic species normally feed on ...

More than polar bears are threatened in this changing gateway to the Arctic, where warmer waters melt sea ice earlier in the year and the open ocean lingers longer. For what grows, lives and ...

As a new paper in Nature Communications reveals, all of those challenges and more are facing the world’s polar bears, thanks to vanishing sea ice in our warming world, denying the animals a ...

An isolated group of polar bears living in southeast Greenland has surprised scientists with its ability to survive in a habitat with relatively little sea ice. The bears’ success has left ...

University of Toronto provides funding as a member of The Conversation CA-FR. When sea ice melts, polar bears must move onto land for several months without access to food. This fasting period is ...

If Earth stays at its current levels of warming — below policymakers’ goal of 1.5 degrees Celsius — polar ice sheets may melt ...