Behind the dazzling variety of shapes and forms in trees lies a remarkably similar architecture based on fundamental, shared principles, ecologists have discovered. The findings allow scientists to ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification. The math that describes the branching pattern of trees in ...

The twisted, deformed shapes of very old pine trees may be a sign of an exceptional ability to adapt to stress that has helped them live for more than 600 years. Ancient trees are important because ...

Researchers in the University of Arizona's department of ecology and evolutionary biology have found that despite differences in appearance, trees across species share remarkably similar architecture ...