While domestic animals gradually became larger over the last 1,000 years, wild animal body sizes shrank. A new study conducted in Mediterranean France identifies one clear common denominator driving ...

Here’s what you’ll learn when you read this story: Carcinization is the separate, five-time evolution of crabs. Parallel evolution isn’t unheard of by any means, but crabs have done it a lot. Their ...

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 ...

When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk - Science Correspondent When humans build cities and introduce invasive species, ...

Carcinization is the separate, five-time evolution of crabs. Parallel evolution isn’t unheard of by any means, but crabs have done it a lot. Their repeated similar evolution makes them interesting to ...

(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 ...