Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

A female koala licks water off the smooth trunk of an eucalyptus tree after a rainfall in the You Yangs Regional Park, Little River, Victoria, Australia. Reuters WASHINGTON – Scientists have solved a ...

Australian scientists have begun vaccinating wild koalas against chlamydia in an ambitious field trial in New South Wales. The aim is to test a method for protecting the beloved marsupials against a ...

Australian scientists have begun vaccinating wild koalas against chlamydia in an ambitious field trial in New South Wales. The aim is to test a method for protecting the beloved marsupials against a ...

A gardener growing eucalyptus seedlings for koala habitats has found his plants being eaten by a single greedy one. Nicknamed "Claude" for his sharp claws, this thieving koala is thought to have eaten ...

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 ...

A hungry koala nicknamed "Claude" has returned to a plant nursery to rob them of their delicious vegetation and brought some friends of his along. Claude was busted last year for munching his way ...

Koalas might appear to be all cuddly and sleepy, but these star Australian marsupials are full of interesting surprises. Slightly resembling teddy bears, these marsupials are tree-climbing mammals ...

KOSCIUSZKO NATIONAL PARK, Australia -- They had been stalking the remote, fire-scorched stretch of forest for an hour in the sizzling midday sun when Karen Marsh spotted something on the trunk of a ...