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.

This week in 1936, The Thylacine, more commonly known as the Tasmanian Tiger, went extinct. The Thylacine was native to Mainland Australia and like many other Australian mammals, was a Marsupial, ...

The fossil of a tiny creature found in northeast China is helping scientists determine when mammals split into different groups: those with babies that develop inside their mothers and those that ...

Around 100 million years ago, a remarkable evolutionary shift allowed placental mammals to diversify and conquer many cold regions of our planet. New research from Stockholm University shows that the ...

Mammal evolution has been flipped on its head, according to new research that suggests marsupials are the more evolved mammals. By estimating how the common ancestor of mammals reproduced and ...