“A New Tree of Life” (2016); (B) a simplified version showing other major divisions. Incidentally, not reproducing doesn’t mean you’re not involved in the evolutionary process. Non-reproductive ...

Researchers worldwide have joined to create the most reliable avian tree of life to date. Prior to this project, which engaged 200 scientists from 80 institutions, scientists had sequenced the ...

Play NOVA's Evolution Lab to explore the tree of life and become an expert in phylogenetics—the study of the evolutionary relationships among species.

The largest evolutionary tree ever compiled leads researchers to conclude that chance mutation — not natural selection — drives the development of new species.

The tree of life maps out the relationships between all living things, and it's in constant flux.

In Charles Darwin ’s world-changing work On the Origin of Species, the naturalist make use of the millennia-old metaphor in which all life is represented by a tree. He writes that “the ...

By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most awe-inspiring classes of animal.

The "grotesque" baobab tree has long been known as the "tree of life" for its ability to create and maintain its own ecosystem in arid regions. Since the time of the ancient Egyptians, people have ...

Ben Crair on the hoatzin, the bird that is seemingly defying the concept behind the tree of life; B10K, a research group that is trying to sequence the genome of every species of bird; and DNA ...

Scientists studied rare butterfly fossils and collected DNA from nearly 2,300 species to create the ultimate tree of life and learn where butterflies originated when they first appeared on Earth ...