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

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

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

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 ...