As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their hunting grounds are shrinking, food is becoming harder to find, and their ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. This story was originally published by the Guardian and is reproduced here as part of ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Researchers have found that certain changes in polar bear DNA are linked to bears living in warmer places — ...

Polar bears are leaping through their evolution in real time as rising temperatures threaten their habitat. A population of bears was found in a climate warmer than one in which they usually exist, ...