Researchers have found evidence of a previously unknown branch of the marsupial family tree, a discovery that could reshape our understanding of how Australia's unique mammals evolved. Published in ...

A few teeth barely bigger than grains of rice sat unidentified in an Australian cave for millions of years, and what researchers discovered when they finally analyzed them threatens to upend ...

You only get 52 teeth in your lifetime: 20 baby teeth, followed by 32 adult teeth. It's not like that for all animals. Some, like rodents, never replace their teeth. Others, like sharks, keep ...

The marsupial frog, which incubates its young in a pouch on its back, was thought to be extinct in some countries By Danna Staaf The horned marsupial frog, which carries its eggs in a pouch on its ...

Fossils from Riversleigh in north-west Queensland have revealed a previously unknown lineage of insect-eating marsupials called Keeunamorphia. The discovery helps fill a major gap in Australia's ...

What can a handful of ancient teeth on a cave floor in the Australian outback tell scientists about animals that lived millions of years ago? A lot, as it turns out. When researchers from the ...