Key to healthy heart hidden in obese polar bears!

Polar bears are the most fat-obsessed beasts but have healthy hearts and this may hold the genetic key for humans to avoid heart disease, a promising research has found.

Polar bears join natural wonders at Google Maps

Google on Thursday added polar bears to the natural splendor people can glimpse from the comfort of their homes at the Internet giant`s free online mapping service.

How polar bears stay warm

Researchers have suggested that genetic adaptations related to the production of nitric oxide, a compound that cells use to help convert nutrients from food into energy or heat, helps polar bear stay warm.

Brown bears `descendants` of ancient polar bears, not modern

Brown bears on an Alaskan archipelago are the descendants of an ancient polar bear population rather than being the ancestors of modern polar bears, a new study has found.

`Polar bears could be extinct in 25 years`

For a millennium, the majestic, lily-white polar bear has lorded over the frozen wastes of the Arctic.

Polar bears losing fur from mystery illness

Polar bears in Alaska have been seen with missing patches of fur, and reports say it may be due to a "mystery illness" related to the nuclear accident at the Fukushima power plant in Japan.

WWF Russia seeks foster parents for 500 polar bears

WWF Russia estimates that about 500 polar bears will get "foster parents" by the end of 2012.

Polar bears ancestors originated in Ireland

The overlaps then led to hybridisation, or interbreeding, which is an event that caused maternal DNA from brown bears to be introduced into polar bears.

Polar bears ‘threatened’, not ‘endangered’

The Obama administration has confirmed that polar bears are threatened rather than endangered.

Tigers, polar bears ‘more vulnerable to environmental change’

A new study suggests large predators are much more vulnerable than smaller species to environmental changes.

Bluefin tuna tops CITES conference agenda in Doha

A contentious battle between Asia and the West over the fate of the Atlantic bluefin tuna prized by sushi lovers overshadowed a United Nations conference that opened Saturday in the Gulf state of Qatar.

Canada, Greenland accord to protect polar bears

Canada and Greenland agreed on a series of measures aimed at protecting shared populations of polar bears which roam between the Nunavut territory and the huge arctic island, officials said.