A new study reveals the surprisingly convergent evolution in the inner ear of mammals. An international research team showed that a group of highly divergent mammals known as Afrotheria and distantly ...

The definition of a mammal is a warm-blooded vertebrate animal distinguished by the possession of hair or fur, the secretion of milk by females for nourishing their young, and the birth of live ...

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 ...

Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...

When you think about the Jurassic Period, you probably think of massive, lumbering dinosaurs. But now scientists say there were also gliders — early relatives of mammals, akin to today's flying ...

Illustration showing Repenomamus robustus as it attacks Psittacosaurus lujiatunensis moments before a volcanic debris flow buries them both, ca. 125 million years ago. (Michael Skrepnick via ...

Large mammals play crucial ecological roles by influencing the behavior of other animals in the food chain and shaping the structure and composition of their environments. A new study that looks at ...

An international research team, including scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, ...

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 ...