Platypuses are weird looking. They look like someone stitched together a duck and a beaver—flat bill, webbed feet, and a ...

Biologists have long drawn the animal family tree with a hazy base, unsure which creature first split from the common ancestor that gave rise to everything from jellyfish to humans. Now, a new genomic ...

You are looking at one of the most important sensory shifts in mammal history: the rise of sensitive hearing. Modern mammals rely on a middle ear with an eardrum and tiny bones that detect faint ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved through the skull of Thrinaxodon, a 250-million-year-old mammal ...

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 ...

Explore mammals’ surprising origins, long before the age of dinosaurs. The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal ...