“Svalbard (and the Barents Sea area) has experienced a much faster loss of sea ice than other areas having polar bears,” Aars ...

Remarkably, the number of days with no ice in the region increased by roughly 100 during that period. And yet, as the authors found, the body condition of both male and female polar bears—i.e., how ...

Long before modern wildlife, an extinct bear may have made large parts of North America far more dangerous than scientists once assumed. Fossil discoveries hint at extreme strength and size, but the ...

The bears began feeding on alternative food sources, researchers found.

Polar bears need fat to survive the harsh Arctic cold; that’s why they eat blubbery seals. Seals, meanwhile, need ice to rest ...