A study reveals how seasonal brain shrinking helps some mammals survive winter, offering new insights into brain plasticity and evolution.

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 ...

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 ...

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 ...

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 ...

If you liked this story, share it with other people. At the turn of this century, seeing a wild jaguar was exceptionally difficult. People driving through the Jaguar Ecological Reserve in the Pantanal ...

When mammals have offspring, both in the wild and in captivity, new life is celebrated. This is especially true for species ...