23.This is Robert Earl Hughes, the one-time world's heaviest man and his pet dog: At his heaviest, Robert weighed over 1,000 ...

Polar bears housed in Madras Zoo during the 1950s faced challenges adapting to the tropical climate.

Polar bear biopsies to shed light on Arctic pollutants Norway (AFP) – With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a ...

Researchers captured rare footage of polar bear cubs emerging from dens in Svalbard, Norway, using nearly a decade of remote camera data to reveal new insights about den emergence and post ...

New research finds that grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to freezing.

"Polar bear poop," as it's come to be known, is a valuable tool for researchers at Dalhousie University, as they look for its effects on the animals health and climate change.

Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.

“It was always assumed that when polar bears diverged from brown bears, they must have quickly adapted to the Arctic in one rapid evolutionary change.

From chipmunks to birds, hundreds of species hibernate each year. But what about polar bears? Here's how they spend their winter.

Polar bears are facing greater risk of starvation as Arctic ice melts and they endure longer ice-free seasons, researchers said in a study published Tuesday.

As humans encroach on polar bear habitats, new tools such as drone-mounted radar can prevent us from disrupting the hidden dens where bears give birth ...

He has been studying polar bears for the past 12 years and says melting sea ice makes it harder for bears to hunt seals.