Add Yahoo as a preferred source to see more of our stories on Google. Ancient fossil evidence reshapes the story of the evolution of echidnas and platypuses, revealing a surprising aquatic ancestry.

The platypus and echidna, often regarded as some of the most peculiar animals on Earth, may be hiding a far more complex evolutionary story than scientists initially believed. Recent findings from a ...

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

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 ...

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 ...