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

The platypus is one of evolution's lovable, oddball animals. The creature seems to defy well-understood rules of biology by ...

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 ...

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 ...

Astronomers sweeping through the archive of NASA's James Webb Telescope found a group of galaxies with an unknown combination ...

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 ...

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 ...