Deep in the night the women carry the cage through the trees, setting it below a gray-skinned eucalyptus. Standing back, they spring the lid of the cage, and the koala dashes up the trunk and ...

The genetic switch effectively reduces the impact of the retrovirus, strengthening the immune system of the beloved but endangered marsupial, said Keith Chappell, a virologist at the University of ...

Koalas , often referred to as 'koala bears,' are not actually bears ... koalas are marsupials, meaning they carry and nurse their young in a pouch, just like kangaroos and wombats.