Photographers enchanted by polar bear's maternal instinct as they capture these heartwarming pictures.

Remains from the Zhokhov island in the East Siberian Arctic show trained sled dogs existed almost 10,000 years ago.

Heartbroken zoo keepers said the mating season's attack was 'unprecedented’.

After 1,907 kilometre odyssey, crossbreed is back home to his day job keeping polar bears at bay in remote weather station. 

Shots fired at island campsite to scare away beast which then drops ancient limb preserved in permafrost since prehistoric times.

Mi-8 delivered Hannah McKeand and Canadian companion to remote island weather station but crashed soon after, as pair abandon North Pole attempt.

Biggest and 'best' in Russia, it is more like a 'reserve' than a traditional zoo.

‘Taiga burning’ - as scared bears are driven out of their natural habitat towards settlements where they are shot as danger to people.