WASHINGTON, July 18 (Reuters) - A shrew-like primitive mammal that inhabited China 165 million years ago represents a milestone in mammalian evolution, scientists said on Thursday, boasting a key ...

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 ...

The three stages of mammalian backbone evolution are far clearer now, thanks to work by a team of researchers that examined fossilized backbones of primitive mammal ancestors and applied novel ...

Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their short gestation periods, or humans and other placental mammals, which have long gestation periods? For ...

WHEN, nearly forty years ago, Dr. Broom went to Australia to study the most primitive mammals now surviving, very little that was more than conjecture was known of the origin of mammals. As the result ...

Scientists have just published compelling evidence that your great (great great…) grandmother was a shrew. Or rather, a shrew-like creature. A team of researchers discovered a new fossil species that ...

At a time when the vast majority of mammals were the size of shrews and mice, Vintana sertichi was a super heavyweight. Researchers have unearthed the skull of a primitive mammal with remarkably keen ...

(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 ...

Researchers at Uppsala University, Swedish University of Agricultural Sciences and Broad Institute have discovered a previously unknown gene ZBED6 that is unique to placental mammals. The gene ...

Tom Rich has an eye for finding bits of skulls in unlikely places. In January, he and his team reported finding a slight groove in a half-inch–long jaw. Using a modified CT scanner, the researchers ...

"Most people, including Australians, don’t know about most mammals in Australia," says Jack Ashby, author of the new book Platypus Matters . Reading time 5 minutes Eighty-six years ago today, the last ...