A segment of the polar bear population is at risk of extinction should ice-free periods continue to get longer, researchers have determined using analysis of the sea ice as well as the health of the ...
Ice melt could be temporarily helping polar bears hunt more efficiently, but scientists say it may soon hinder populations.
Researchers have found that certain changes in polar bear DNA are linked to bears living in warmer places — with implications for how the animals adapt to a warming planet. A recent study published in ...