Mammals only have one life to live, but the length of that life varies greatly. While some shrews shuffle off this mortal coil in less than 14 months, bowhead whales can swim in Arctic waters for more ...

From the formation of inner ear bones to the rise of hair to cover our bodies, these developments made us distinct from other animals Riley Black | Science Correspondent By examining the fossils of ...

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...