Koalas from a population north of the Brisbane River have evolved a unique genomic immunity to the killer retrovirus ...

A genetic breakthrough has revealed some koalas have immunity to a deadly virus, offering hope for the species’ survival.

Southwestern Sydney's koalas have avoided the chlamydia outbreak threatening the entire species. But their isolation has left them extremely inbred.

Wildfires continue to rage in southeastern Australia, devastating coastal areas and threatening one of the nation’s most iconic species -- the koala. Dozens of bushfires have raged across ...

Koalas infected with the retrovirus are at a higher risk of chlamydia, which has devastated populations in Queensland and New South Wales. The virus has also been linked to lymphomas that have caused ...