When you admire a towering oak or a vibrant maple in your backyard, you're only seeing half the picture. Beneath the surface lies a sprawling, intricate world that is arguably more fascinating than ...

Want to add a tree to your landscape? Follow this checklist of tree planting tips and learn to care for trees from the roots ...

Terrestrial ecosystems are defined in large part by their woody plants. Grasslands, shrublands, savannahs, woodlands and forests represent a series of gradations in tree and shrub density, from ...