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, ...

A dolphin breaking the surface for air can seem like a reminder of its mammalian past. But evolution is not nostalgia. The ...

Reconstruction of a Paleocene mammal that lived around 65 million years ago. Credit: Sarah Shelley The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive ...

Around 11 million years ago, a cooling climate fragmented warm, humid forests in Africa, Asia, and Europe, giving rise to savannas. Many mammals evolved to take advantage of these wide-open spaces, ...

If textbooks ever made you believe mammals like humans, cats, and kangaroos first evolved somewhere up north, think again. A remarkable discovery from Australia has flipped our understanding of mammal ...

The Mesozoic era, traditionally renowned as the age of dinosaurs, also marks a period of remarkable innovation in the evolution of early mammals. Mammaliaforms diversified into a variety of ecological ...

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 ...

The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. The transition from sprawling (reptile-like) to more upright (parasagittal) posture and ...

NEW YORK -- Maybe you learned this in school: The big dinosaur die-off 65 million years ago was a liberation for mammals, and they quickly produced a bunch of new species that included ancestors of ...