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 ...

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 ...

Habitat loss, disease, and climate change are driving koalas toward extinction. Learn what’s threatening them and how to help ...

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 ...

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 ...

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

A chlamydia vaccine has been approved for use on koalas, which scientists hope will stop the sexually-transmitted disease ...

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

Researchers from the University of the Sunshine Coast spent more than 10 years developing a single-dose vaccine to protect the famed Australian marsupial from the effects of chlamydia, which include ...