The giant predators were a deadly danger to early European explorers of the Arctic.
Chris Hellier/Corbis Historical via Getty Images
Do you see a fearsome predator? A fragile icon of impending extinction? What these arctic giants have stood for in art has continually evolved.
Cave bears are now extinct.
This is the oldest genome recovered from a non-permafrost environment.
© Asgeir Helgestad
This is the story of 'Misha', as I have come to know her. Both I and my research have been deeply affected by a polar bear I have never met face to face.
Emperor penguins have uniquely adapted to their Antarctic home.
Emperor penguins have a few hidden tricks to stay warm, like blood vessels in the nose arranged so they can regain most of the heat that would be lost by breathing.
Polar bears 'invading' a Russian village have renewed concern over climate change in the Arctic, but human-wildlife conflicts are flaring up everywhere.
Two polar bears walk past a camera trap in Wapusk National Park.
Never before have grizzly bears, black bears and polar bears been found living in the same place.
A pod of narwhals (
Monodon monoceros) in central Baffin Bay. Narwhals are the most vulnerable animals to increased ship traffic in the Arctic Ocean.
Kristin Laidre/University of Washington
Climate change is shrinking Arctic sea ice and opening the region to ship traffic. Whales, seals and other marine mammals could be at risk unless nations adopt rules to protect them.
2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north.
For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
Animals in the western Arctic have higher levels of mercury in their bodies than those in the eastern Arctic.
A new study demystifies regional differences in mercury levels in marine animals in the Canadian Arctic.
A polar bear breaks through think Arctic ice.
A new study shows that polar bears require more food than previously thought. The scientists used collars that tracked bears' movements and metabolic rates.
Banning the hunts would harm the Inuit more than it would help the bears.
Rene van der Wal
A team of researchers went to the High Arctic to retrace the steps of a 1960s expedition. They came away with far more than they bargained for.
Stay alert, make lots of noise, and if all else fails, carry a big gun.
In some regions of the Arctic, polar bears will spend their entire lives on sea ice or the ocean.
Could polar bears slip into a hibernation-like state to tough out lean hunting during summers with little sea ice? Sadly, experiment suggests no.
Polar bears are intelligent animals and need company and stimulation.
When my six-year-old daughter is stressed she bites her fingernails. Children in maths lessons often respond to the anxiety that doing mathematics causes by swinging their legs. Arturo the polar bear at…
Things continue to hot up for polar bears in the Arctic.
Gerard Van der Leun
During the “polar vortex” that recently swept the US, Chicago’s Lincoln Park Zoo was forced to bring its polar bear indoors as it was “too cold” for a bear acclimated to Chicago’s “normal” winters (where…
Hudson Bay Lowlands are staying greener for longer as temperatures rise.
Lakes of the Hudson Bay Lowlands, in northeast Canada, are showing evidence of abrupt change in one of the last Arctic regions of the world to have experienced global warming, according to Canadian research…
On thin ice?
Alan D. Wilson/naturespicsonline.com
Foundation essay: This article on the future of the Arctic by Tavis Potts, Senior Lecturer in Oceans Governance at the Scottish Association for Marine Science, is part of a series marking the launch of…
Polar bears and brown bears, species known to produce fertile hybrids, have much more in common genetically than previously…