An adult koala eats a eucalyptus leaf. Joeys can't break down the toxic, fibrous plants on their own yet. Photograph By David Marks/National Geographic When it’s time to feed the kids, koala moms do ...

Australia's embattled koalas have been given some good news for once, with the approval of the world's first chlamydia ...

Australia is the only place on the planet where koalas can be found in the wild, and there are a number of factors that have led to them being listed as ...

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 as endangered in parts ...

Think koalas are cute? Think again. Find out just how strange these animals are in this episode of Gross Science. Think koalas are cute? Think again. Here are five gross facts about koalas. I’m Anna ...

A gardener growing eucalyptus seedlings for koala habitats has found his plants being eaten by a single greedy one. Nicknamed "Claude" for his sharp claws, this thieving koala is thought to have eaten ...

Thousands of koalas are reportedly eating their food supply too quickly on Australia’s Kangaroo Island, but authorities have refused to heed conservationists’ pleas to reduce the population, fearing a ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

MELBOURNE, Australia (AP) — A regulator has approved a world-first vaccine to protect koalas from chlamydia infections, which ...

At Sunshine Coast Koala Rescue in Australia, two little orphaned koala babies have figured out the best way to get through a ...