As an introduction to the subject of roots, I cannot help but borrow words from “The Little Prince,” that famous children’s book by Antoine de Saint-Exupery. “What is essential,” says the little ...

Invasive tree roots are a common problem for many homeowners. If left unattended, aggressive roots will cause disruption to pavements, buildings and patio slabs. From fast-growing Japanese knotweed to ...

Ask someone to draw a tree and they will invariably draw a trunk and branches—leaving the roots out of the picture. In a unique study of tropical tree roots at the Smithsonian Tropical Research ...