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 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 ...

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

Taronga Zoo has successfully bred native Australian animals for years — but it now has a vision on how to re-establish their ...

The NSW Government has completed its first comprehensive statewide koala survey, providing the most accurate picture to date of where koalas live and how populations are distributed across the state.

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 ...

Fresh data reveals Australia's koala count could be much higher than previously thought, as a contentious park to protect the ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

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 ...