Learn how increased protein diversity in signaling genes may have helped drive the shift from invertebrates to vertebrates, ...

Scientists analyzing 443-million-year-old Scottish fossils have uncovered the early evidence that some of the first groups of vertebrates possessed surprisingly advanced eyes and traces of bone, ...

New research from the University of St Andrews has discovered that vertebrates make higher numbers of different forms of ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...