Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

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 ...

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 ...

Linda Shearwin receives funding from the Australian Research Council. Frank Grützner does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...

A heartwarming rediscovery has been made on the world’s largest tropical island. Attenborough’s long-beaked echidna ...

A small bone found 30 years ago at Dinosaur Cove in south eastern Australia could turn what we know about the evolution of echidnas and platypuses on its head. Up until now, the accepted understanding ...

Australia's burrowing echidna evolved from a water-dwelling ancestor in an "extremely rare" biological event, scientists said Tuesday in a new study of the peculiar egg-laying mammals. With powerful ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

(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 ...