When we think of mammals, we usually think of animals that give birth to live babies, like lions or humans. But there’s a ...

Even if some might be shrunken or differently positioned, all of these mammals have five digits ... However, scientists have discovered that these animals start out with as many as five fingers ...

Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...

New fossil analysis shows mammals transitioned to terrestrial lifestyles millions of years before the mass extinction—driven ...