A group of teeny tiny mouse-deer in the family Tragulidae numbers 10 species that live in warmer parts of Southeast Asia, India, and Africa. They are small, delicate, and extremely elusive: they are ...

Learn more about Morganucodon and Brasilodon, the two species that may have given life to the mammals we know today.

Koalas might appear to be all cuddly and sleepy, but these star Australian marsupials are full of interesting surprises. Slightly resembling teddy bears, these marsupials are tree-climbing mammals ...

Scientists have discovered new markers that enable the identification of species from fossilized bone fragments, offering new ...

Evolution takes some weird twists and turns to bring animals to their current forms. While evolution is based on random ...

For the first time, the remarkable features of Australia's unique wildlife—from platypus, bilby, kangaroo, koala and emu to ...

A first-ever collaboration between the National Gallery of Art and the Smithsonian examines the birth of natural history.