What do phylogenetic trees illustrate? These diagrams don't just organize knowledge of biodiversity - they also show us that living species are the summation of their evolutionary history.

Typically, members of two different species can’t mate with one another — and if they do, the offspring they produce are often infertile or so weak they die before they can produce any babies.

What is macroevolution? Why is it important? How can macroevolutionary thinking help with interpreting patterns of primate evolution? Understanding macroevolution is important because it explains ...

The iconic, "upside-down" baobab tree first emerged on the island of Madagascar, new research into its tangled evolutionary history reveals. It's still not clear, however, how it jumped from ...