Polar Bears | featured news

Polar bears first appeared 4-5 million years ago - but the animals have interbred with brown bears as Earth has warmed and cooled, say Penn State researchers.

Polar bear cubs forced to swim long distances with their moms as their icy Arctic habitat melts appear to have a higher mortality rate than cubs that didn't swim as far, a new study reports.

Global warming will leave the Arctic Ocean ice-free during the summer within 20 years, raising sea levels and harming wildlife such as seals and polar bears, a leading British polar scientist said on Thursday.

A Cincinnati-area man is suing two suburban police departments, saying he was falsely arrested and then humiliated when he had to walk through his neighborhood in pajamas with polar bears on them.