Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices? Tree diagrams have ...

As scientists piece together the finer details of the branching patterns (that is, evolutionary relationships), they are able to construct more and more accurate tree diagrams. But how do they ...

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 ...