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

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

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 ...

Infectious diseases are an increasing threat to wildlife populations globally, and marine mammals are no exception. Dolphins, ...

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 ...

An international team has reconstructed the genome organization of the earliest common ancestor of all mammals. The reconstructed ancestral genome could help in understanding the evolution of mammals ...

Long after an animal’s soft tissues have vanished, its skull still carries a blueprint of how it sensed the world. For extinct mammals, those bony clues now show that noses were not just prominent ...

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 ...