The squiggly trunks and branches of Black Locust stand out in the winter landscape. Photos by Katie Finch Leaves are probably the most common feature used to identify trees. But in winter, when so ...

A new study shows that the shape of urban trees affects how pollen travels through the air, which could help cities reduce allergy exposure.

What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...

A research team from Purdue University’s Department of Computer Science and Institute for Digital Forestry, with collaborator Sören Pirk at Kiel University in Germany, has discovered that artificial ...