For more than a century, paleontologists have treated dinosaurs and mammals as rival success stories that simply took turns ...

The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a thorough examination of the pigment-producing cells present in living mammals, ...

Pittsburgh, Pennsylvania, USA…An international team of paleontologists has discovered a new species of mammal that lived 123 million years ago in what is now the Liaoning Province in northeastern ...

DENVER (CBS4)-- A new, prehistoric mammal has been discovered and it is described as "beyond bizarre." Paleontologists at the Denver Musuem of Nature and Science were part of a team of researchers ...

New University of Maryland research suggests that dinosaur parenting strategies helped transform the Mesozoic world, as “latchkey kid dinosaurs” spread into ecological niches their parents left ...

Dinosaurs so thoroughly dominated the ancient world that they suppressed the evolutionary possibilities open for mammals. This notion has been around for decades now, and it seems to be backed up by ...

WASHINGTON (Reuters) - While there is little doubt that many a Mesozoic mammal became a meal for a dinosaur, it may come as a surprise to learn that some mammals also dined on dinos. A dramatic fossil ...

WASHINGTON (Reuters) – A prehistoric opossum-sized critter dubbed the “crazy beast” that inhabited Madagascar at the end of the age of dinosaurs is providing scientists insight into early mammalian ...

Researchers have identified a bizarre, previously unknown mammal that lived 66 million years ago in what is now Madagascar, casting new light on the evolution of this animal group. The badger-like ...

Discovery of a new fossil in China sheds light on when early mammal ancestors first evolved sophisticated hyoid bones that gave them the ability to swallow food like modern-day mammals The 165-million ...

Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All. Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And ...