New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine—including all mammals, fish, reptiles and amphibians—evolved. In a paper ...

Three species that lived about 308 million years ago challenge the idea that the first land vertebrates underwent ...

Scientists have long puzzled over the gap in the fossil record that would explain the evolution of invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...

This episode details the origins of the vertebrates, which lie in the primitive fish that once swam in ancient seas. Remarkable advances allowed them to make the radical move onto land, and then take ...

An illustration of a four-eyed myllokunmingid, a jawless fish that lived more than 500 million years ago Xiangtong Lei and Sihang Zhang Many spine-bearing creatures, or vertebrates, have a curious bit ...

David Attenborough embarks on a remarkable 500 million-year journey revealing the extraordinary group of animals that dominate our world, and how their evolution defines our human bodies.