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. Receive emails about upcoming NOVA programs and ...

Genomes are key to unlocking life's evolutionary history. The presence and absence of certain genetic sequences and mutations can give us clues to the ...

Human-induced climate change and environmental degradation is causing entire genera to go extinct at rates 35 times higher than what’s been estimated to have occurred in the past one million years. A ...

After having been relegated to the backrooms of dusty museums, surrounded by a cadre of venerable scientists and even older fossils, evolutionary systematics is now enjoying a renaissance that began ...

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 ...

Most of us can imagine a tree of life; some can even sketch one out. Branches coming off branches coming off branches, each describing a turn in evolutionary history. Over here are the molluscs. Over ...