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 vaccine has been approved to help protect koalas against chlamydia, a measure researchers are hailing as a world-first in ...

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 ...

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

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

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

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 ...