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 ...

“By focusing on rehabilitated individuals in this under-studied region, the research provides insights into the outcomes of ...

Australian scientists have begun vaccinating wild koalas against chlamydia in an ambitious field trial in New South Wales. The aim is to test a method for protecting the beloved marsupials against a ...

Koalas are in trouble. The Australian government said Friday that koalas are now an endangered species in two states, due in large part to devastating bushfires, drought, and heat waves that have hit ...

Koalas may be the pickiest marsupials around: They evolved to feed almost exclusively on the leaves of Eucalyptus trees, and they are highly selective when it comes to which species and even which ...

Large crowds of tourists gather daily at the bottom of trees home to koalas in Byron Bay, leaving the animals stressed and ...

Researchers have found a population of koalas that could be vital for stabilizing the koala population. Scientists from the University of Adelaide say they’ve found what could be the last Australian ...

In 1967, Qantas, Australia’s national airline, launched one of the most successful television advertising campaigns in modern history. At the time, few Americans considered Australia as a possible ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a senior science reporter covering energy and the environment with more than a decade of experience. She is ...

Scientists have figured out how koalas are able to produce a mating call that is so low-pitched it ought to come from a creature the size of an elephant. The vocalizations are made with a previously ...

When it comes to finding a vaccine for chlamydia, the world’s most common sexually transmitted infection, koalas may prove a key ally. Skroo, a wild koala visiting Endeavour Veterinary Ecology clinic, ...