The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

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

A French start up called New Wind, has made a design for silent wind trees that have been installed at the United Nation's Conference on Climate Change (referred to as COP21). The trees, outside of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Dear Dr. Dirt: Can you identify this tree with long, pencil-shaped pods? The tree has beautiful bloom in late spring. — Bill, Monrovia Dear Reader: The tree in question is the common catalpa, Catalpa ...

DALLAS — The winter freeze this February was a tough test for trees across North Texas, and we're still seeing the impact months later. If your trees appear to be dying now, there's a good chance it ...