A tiny fossil skull found in 195-million-year-old Chinese sediments provides evidence that crucial features of mammal anatomy evolved more than 45 million years earlier than previously thought.

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 ...

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 ...

The diversity of mammals on Earth exploded straight after the dinosaur extinction event, according to new research. New analysis of the fossil record shows that placental mammals, the group that ...

The art depicts what it would look like if humans would look like with animal anatomy. The drawings are educational, but also uncanny in a way you can’t unsee.

Fluorescent anatomy, which recently seemed to be a quirk in unusual animals such as platypuses and opossums, was found in most living families of mammals. By Cara Giaimo At first, it seemed to be ...

The identification of a key gene in monotremes has increased our understanding of why the stomachs of platypuses and echidnas ...

The animal’s fossil records date back 225 million years, ... The research is published in the Journal of Anatomy. More about PA Ready Scientists Natural History Museum. Most Popular. Popular videos.

It involved a major reorganization of limb anatomy and function in synapsids -- the group that includes both mammals and their non-mammalian ancestors -- eventually leading to the therian mammals ...