New discoveries of ancient vertebrates, filling in gaps in the fossil record, are quickly eroding the traditionally recognized differences between the principal

The factors that influenced the evolution of the vertebrates are compared with the importance of variation and selection that Darwin emphasised in this broad st

During evolution there have been several major changes in the way genetic information is organized and transmitted from one generation to the next. These transi

How did flying birds evolve from running dinosaurs, terrestrial trotting tetrapods evolve from swimming fish, and whales return to swim in the sea? These are so

World-class palaeontologists and biologists summarise the state-of-the-art on fish evolution and development.