Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

Koalas have long captured people's hearts and minds thanks to their cuddly features and seemingly relaxed demeanor. Now, in a collaborative study by the Koala Genome Consortium -- involving 54 ...

Koalas are pretty darn cute, but...they aren’t the brightest bulb on the continent. They will only eat eucalyptus leaves off the branch. On a plate, a koala won’t recognize their one and only food.

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 ...

Koala bears always make me smile - they're just adorable and I love watching them! But this video of Olaf the koala that @Australian Reptile Park shared at the end of October might be my new favorite ...

COLUMBIA — Lottie and her daughter Charlotte spent most of their Tuesday as they do the rest of the week: Resting peacefully atop a eucalyptus-adorned tree at the Riverbanks Zoo and Garden, sometimes ...

The Australian Koala Foundation announced they believe “there are no more than 80,000 koalas in Australia,” making the species “functionally extinct.” While this number is dramatically lower than the ...

A hungry koala nicknamed "Claude" has returned to a plant nursery to rob them of their delicious vegetation and brought some friends of his along. Claude was busted last year for munching his way ...

It’s not surprising that a gardening project in Encino leaves people stumped. Who would expect, after all, to find a koala food farm located between a quiet residential neighborhood and the Ventura ...

You are what you eat. Chowing down on a giant bowl of garlic cloves will make you smell like garlic. The same goes for onions. For younger koalas, however, their odor is usually a little more pleasant ...

Sequencing of the koala genome has revealed some interesting qualities about these marsupials on their sense of taste. They have more bitter taste receptor genes than any other Australian marsupial, ...