An island colony whose koalas are free of chlamydia could help save the wider population from the deadly disease.

Authorities in Australia are facing criticism after culling hundreds of sickly koalas via helicopter-riding snipers last week, likely killing healthy mothers in the process and leaving joeys orphaned, ...

Australia approved and funded a vaccine to protect koalas against chlamydia as part of its repopulation efforts for the endangered species. Koalas used to populate Australia in the millions, but many ...

A darling Koala Bear residing at Australia’s famous Taronga Zoo on the shores of Sydney Harbor is taking social media by ...

MELBOURNE, Australia (AP) — A regulator has approved a world-first vaccine to protect koalas from chlamydia infections, which are causing infertility and death in the iconic native species that is ...

A booming population of koalas in parts of south Australia has sparked a “dilemma” among conservationists about their long-term ecological harm to the region. Koalas are officially endangered in ...