Classifying kangaroos and platypuses together on the evolutionary family tree is as absurd as adding your neighbors to your own family ancestral line simply because they share your love of the opera, ...

With a beaver’s tail, webbed feet, and a duck’s bill, platypuses are one of the world’s strangest-looking creatures. They are such an unusual mammal that the first scientists to study them believed ...

Most humans probably think very little of the platypus — if at all. But this strange Australian mammal, with its webbed feet and beaver-like tail, is actually a treasure trove of genetic information.

Geneticists uncover new insights into how sex chromosome systems work in the platypus and the chicken -- which will lead to better understandings of our own sex chromosome evolution and gene ...