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 ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

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 ...

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 ...

Preface: The loaded word -- Who you callin' an animal? -- Darwin, Darwin, Darwin...! -- The tree [strikethrough] river of life -- Part 1: Outside in -- Part 2: Song of myself -- Part 3: Hopeless ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...