Mammals live all across the world. They can be found living in the ground, in trees, and even in the sea. There are many different kinds of mammal, including us humans! Find out more about ...

Dolphins, most known for their playful, intelligent personalities, can be found living in large pods in coastal habitats all ...

Understanding how early mammals looked helps us understand how they lived and when all the present diversity evolved, says Matthew Shawkey, co-senior study author and an evolutionary biologist at ...

The ear bones of mammals were once the jaws of prehistoric reptiles. And so on. Despite these differences, all mammals share four traits that are shown in the diagram below: hair, mammary glands ...

Yes, all mammals are warm-blooded, but not all of them can be as big or ferocious as a lion. In fact, all five of these smallest mammals in the world clock in at about 1 ounce or smaller ...

All regularly shed the outer layer of their skin. Their metabolism depends on the temperature of their environment. Unlike birds and mammals, reptiles do not maintain a constant internal body ...

What do horses, armadillos, sloths, and tapirs all have in common? They’re all animals, sure. They’re all mammals, too. But there’s something more striking, more special, about them: Around 500,000 ...