Inbreeding, poaching, a lack of herders and climate change are contributing to the iconic animal's decline.
Forward-looking models and polar bear energetics data foresee an alarming loss of habitat by the century's end.
The stark, barren landscape of Banks Island in Canada has yielded more than 8,000 shark teeth that date back millions of years.
Sharks might be able to cope with climate change's effects upon the Arctic, a study of fossil shark teeth has found. Continue reading →
Video cameras attached to polar bears show the world from the bears' perspective, including what to do when your dinner freezes into a rock hard block. Continue reading →
Hefty polar bears, which love to sink their teeth into greasy blobs of fat, could hold the key to avoiding heart disease. Continue reading →
Greenland sharks joined the list of top Arctic predators that suffer under heavy loads of accumulated persistent organic pollutants in their bodies. Continue reading →
A Google Street View of the tundra helps scientists as well as armchair polar bear watchers.
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