Think koalas are cute? Think again. Find out just how strange these animals are in this episode of Gross Science. Think koalas are cute? Think again. Here are five gross facts about koalas. I’m Anna ...

An adult koala eats a eucalyptus leaf. Joeys can't break down the toxic, fibrous plants on their own yet. Photograph By David Marks/National Geographic When it’s time to feed the kids, koala moms do ...

Koalas are iconic Australian animals, loved for their teddy-bear-like appearance. But beneath their soft and seemingly cuddly exterior, they have unique behaviors, a specialized diet, and many ...