The new research could upend what’s known of the evolution of the most primitive mammals alive today. Found in Australia and New Guinea, the platypus and echidna are called monotremes ...

As evolutionary biologist Neil Shubin points out, "In one sense, evolution didn't invent anything new with whales. It was just tinkering with land mammals. It's using the old to make the new." ...

Published in Palaeontology, this study offers fresh insights into mammalian evolution, providing evidence that the ecological shifts in the late Cretaceous period were crucial to the development ...

mammal-like hyoids in the Mesozoic mammal evolution. This material relates to a paper that appeared in the 19 July issue of Science, published by AAAS. The paper, by C.-F. Zhou at Shenyang Normal ...