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.

Add Yahoo as a preferred source to see more of our stories on Google. Koalas are an endangered species. This was not always the case, as the wild, adorable marsupials were once widespread across the ...

Australia has approved the world’s first vaccine to tackle chlamydia in koalas, a disease that has been wiping out populations of the endangered species. The single-dose vaccine, developed after more ...

A vaccine used to treat chlamydia in Australia’s koala population has been approved for rollout, in a world-first project.Researchers from the University of the Sunshine Coast spent more than 10 years ...

A pair of endangered right whales that made several surprise appearances off Florida's west coast this winter have returned to their feeding grounds in the North Atlantic. "After taking a nice little ...