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

Once thought as the least evolved of the mammals that roam our world, new research shows that marsupial evolution might actually be further along than even humans. This old bias towards the creatures ...

Scientists have identified an ancient marsupial for the first time, whose special adaptations allowed it to walk great distances across the continent now known as Australia some 3.5 million years ago.

A sleepy koala may seem worlds apart from a giant Ice Age predator, but scientists have uncovered the first molecular ...

The mysterious origins of Australia's bizarre and secretive marsupial moles have been cast in a whole new and unexpected light with the first discovery in the fossil record of one of their ancestors.

A sleepy koala may seem worlds apart from a giant Ice Age predator, but scientists have uncovered the first molecular ...

Marsupials may have richer social lives than previously thought. Generally considered loners, the pouched animals have a wide diversity of social relationships that have gone unrecognized, a new ...

Two alternative hypotheses exist: Either the common ancestor of marsupials and placentals lacked testis descent, which originated later, or descent already existed before those two mammal groups ...