Imagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an intersection. If you keep going back in time, you'll ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

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 ...

Polyploidy, or whole-genome duplication (WGD), is a major mechanism of genome evolution across the tree of life and is ...

Calling something the “tree of life” may conjure up a lush arboreal species with mouth-watering fruit.. Yet on the African continent, this moniker is reserved for the baobab tree. Upon first ...

Scientists Mapped the Evolution of 11,000 Bird Species to Build the Avian Tree of Life By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth ...