New research finds features of early human brain development in the brains of marsupials called fat-tailed dunnarts.

New research sheds light on a mysterious AIDS-like virus that affects koala populations differently depending on where they live.

Scientists have viewed marsupial reproduction as more "primitive" than that of placental mammals. Fossils complicate that view.

A new study highlights another threat facing endangered koalas, but could also lead to ways to treat populations and reduce the risk of extinction.

The decline of quokkas in Australia has been somewhat of a mystery, but resarcehers have a suspect. Invasive species, and foxes in particular.

While most mammals require a break between pregnancies, swamp wallabies can lay claim to being the only mammal that is pregnant its entire life.

"...it seems that wombats are able to remodel their jaws as the animals grow to become stronger and protect themselves from harm."