After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

RinkWatch helps draw awareness to the everyday effects of climate change by focusing on the changes to outdoor hockey played ...

It’s a stark reminder of how climate change is reshaping entire ecosystems. Scientists' stunning observation of hybrid ...

"The Arctic is one of the fastest warming regions in the planet," said Flavio Lehner, chief climate ... a change that has cut this population by up to half in 40 years, according to Polar Bears ...

Sebastian Copeland’s images of the Arctic may look otherworldly – with their tilting cathedrals of ice, hypnotic light, and ...

Argentina’s Ushuaia and Chile’s Punta Arenas are the usual departure points for West Antarctic voyages, and to the relief of Antarctic tourists dreading Australia’s southern oceans or the infamous ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson Bay. The clock is set to 89 seconds to "midnight" as scientists and ...

As global warming spreads pests, diseases and toxins, new programs are developing to help medical professionals look at their ...