If you’ve always thought echidnas and platypuses were distant cousins who went their separate ways on land and water, think again. A single fossilized arm bone, found in a remote corner of ...

Researchers have added something new to the platypus's list of bizarre traits: melanosomes in its fur thought to only exist ...

Ancient platypuses with teeth once swam with dolphins in what has become the Australian outback, scientists have discovered.

Egg-laying echidnas and platypuses are among the world's most bizarre mammals. With a spotty fossil record, it's difficult to tell how these monotremes evolved. But evidence is mounting that the ...