Employing software typically used to analyze the movements of human athletes, Ms. Joy saw that when chimpanzees climbed down a tree, they extended their shoulders and elbows above their heads to a ...

Creating a family tree that dates back more than 400 million years and details the evolution of the most diverse group of animals on the planet is no easy feat, but one ambitious group of ...

Extinct plants tell us a lot about history and evolution. Check out 10 fascinating extinct plants and what ultimately wiped them out.

By sequencing hundreds of samples from the tree, researchers confirmed that Pando is between 16,000 and 80,000 years old, verifying previous suggestions that it is among the oldest organisms on Earth.

When I learned he had written a book that examined 25 different discoveries relating to evolution, I assumed that he, like Haldane, would deploy paleontology in making his case. Mr. Prothero’s ...

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 ...

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. Opens in a new window.

Cooksonia. Cooksonia is one of the earliest known vascular plants that have been on the planet for about 425 million years ago in the Silurian period.