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

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

A baby koala at Wild Life Sydney Zoo in Australia on October 14, 2021 in Sydney, Australia. The first vaccine to protect endangered koalas from chlamydia has officially been approved in Australia. The ...

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