There are so many koalas in some places that food is the issue – while elsewhere populations are threatened by habitat loss. And there are no easy fixes ...

Koalas, a much-loved icon, are both endangered and abundant in Australia. We look at the big picture across an even bigger ...

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.

“Koalas are in steep decline across much of eastern Australia, but in south Australia’s Mount Lofty Ranges, the opposite ...

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 ...

MELBOURNE, Australia -- 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 listed ...

Koalas are a nationally endangered and iconic species in Australia, yet their populations are rapidly declining due to habitat loss, fragmentation, and disease, and very little is known about the fine ...

Vaccines can be a crucial conservation tool. But getting shots to wildlife, and developing them in the first place, is tough.

One might think the tree-hugging cuties would be receiving the royal treatment since its Australia’s national icon. And, in some parts of the country, the marsupials are endangered. But, no. The truth ...

Koalas look like they belong in a children's book, but spend enough time around one, and you'll realize—they're not exactly ...