Witch's brooms are compact, rounded collections of short needles and small cones. They can sometimes make up the entire leafy crown of a tree. Staff at North Carolina State University are asking for ...

A team of researchers has detailed the varied ways tree roots of different sizes interact with their surrounding soil, revealing a structured system of chemical communication. The study, led by ...

We don’t often think about the roots of trees until there is a problem. A forester friend of mine called it a “fencepost mentality.” Being underground, they are often out of sight out of mind. However ...