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.

The amazing ability of dogs to detect and track down specific scents could have profound effects on Australia's koala population. Perhaps surprisingly, koalas are particularly prone to chlamydia.

Key wildlife links between two of Sydney's major rivers are under threat from land clearing for housing, according to a koala ...

CANBERRA, Australia (AP) — Koalas were declared officially endangered Friday in eastern Australia as they fall prey to disease, lost habitat and other threats. Federal Environment Minister Sussan Ley ...

BANGALOW, Australia, Nov 22 (Reuters) - When Lucy was rescued from a rural property in New South Wales two years ago, she was suffering from chlamydia, a disease widespread among koalas. Today, she's ...

Koalas spend most of their time in trees — but are in deadly danger when they descend to the ground, new research shows. The marsupials are an endangered species in Australia and their populations are ...

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 ...

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 ...

The Associated Press on invasive species and flooding It's not as immediately noticeable as, say, fallen trees or washed away roads, but the spread of invasive species after floods may be just as ...