This story appears in the May 2012 issue of National Geographic magazine. It’s two in the morning and a koala is caught in barbed wire on a fence, like a prisoner trying to escape. A phone rings ...

New research from Michigan State University is showing that the biodiversity we see among today's mammals, including koalas, is linked to changes in the Earth’s geography that were happening ...

The behaviour – witnessed in southern Victoria’s Cape Otway – shows social dynamics between koalas may change when they are forced to live in close quarters. It’s a cold, drizzly night in a forest ...