The researchers extended their analysis to eight exemplary fossil species from four continents spanning 300 million years of evolution. The species ranged from the 35g proto-mammal Megazostrodon ...

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." ...

Researchers have dated volcanic layers at six fossil-bearing sites in Turkey, including one known as Taşhan (shown). The ...

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 ...