The diminishing Arctic sea ice is making it almost impossible for polar bears to satisfy their energy needs.
Meteorologists working at a polar weather station have been trapped for weeks by a pack of polar bears.
A pack of wolves at a zoo in Winnipeg managed to dig a tunnel straight in to the polar bear enclosure.
Polar bears are at risk of going extinct if nothing is done soon to stop them from starving.
Attempts to compare the DNA of the remains of an ancient polar bear found in a cave in Scotland with that of modern pola...