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 studies ...

While there is a common belief that the evolution of humans can be traced back to fishlike vertebrate ancestors, pinpointing ...

“The more species of Homo there were, the higher the rate of speciation. So when those niches got filled, something drove even more species to emerge. This is almost unparalleled in evolutionary ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...