Polar bears also try to break into residential polar bases. To prevent this from happening, polarists put bars with spikes on ...

Portland’s senior polar bear sister just may be Olympic-ready, at least according to the comments on the Oregon Zoo’s latest Facebook post. Nora, it appears, is an expert diver. A video shared by the ...

A viral video has captured a group of polar bears taking over an abandoned research station off Russia's far eastern coast — ...

From bears snacking on salmon to wildebeest crossing the Okavango Delta, here are the best live wildlife streams of this month.

Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries.

Somebody give Nora a hug: Her sister is leaving. OK, probably don’t give a polar bear a hug, but maybe an extra fish or two? Amelia Gray, Nora’s half sister, is heading to Brookfield Zoo Chicago next ...