Kova, a playful polar bear at an Alaska zoo was having tooth trouble, so her keepers arranged for a root canal; no small feat ...

"Somehow it’ll be the koala’s fault." Parents face backlash after koala attacks child on hike: 'Why did everyone just stand ...

Now, instead of being tossed out, the invasive fish are on the menu for bears, otters and sea lions at the Minnesota Zoo in Apple Valley.

Brookfield Zoo Chicago is welcoming new and returning species while saying goodbye to old ones. Amelia Gray, the newest polar ...