Koalas were officially declared endangered Friday in eastern Australia. This comes as the marsupials continue to fall prey to chlamydia and lose their habitats to land clearing and climate change.

A remarkable discovery has been made in the Australian region of Newcastle, published in the journal of Biological Conservation. Through a survey led by the University of Newcastle, thermal ...

Ten-month-old Emerson fixed his big brown eyes on me and yawned. Still groggy from a nap, the koala rubbed his face, then stuck out an expectant paw. The nurse escorting me through his enclosure ...

Two male koalas slowly climbed trees and snacked on eucalyptus leaves Tuesday at their new home at Brookfield Zoo Chicago, as hundreds excitedly waited in line for the chance to see the marsupials ...