A complete Mixodectes pungens skeleton reveals it was a leaf-eating, tree-dwelling mammal closely related to primates and ...

Imagine a world where furry mammals scuttle under the feet of gigantic dinosaurs, not yet destined to rule the Earth. It’s a mind-bending thought: the creatures we call mammals, including humans, have ...

Researchers have combined decades of scientific data, tracing how all birds are related. This provides an evolutionary map ...

By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most ...

Professor Emily Jane McTavish and colleagues at the Cornell Lab of Ornithology have mapped the evolution of every known bird ...

Could aquatic mammals, such as whales, orcas, and bottlenose dolphins, ever evolve to live on land again? It seems the chances of this are actually vanishingly small, as the adaptations that allow ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of ...