Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in ...

Treehugger / Hilary Allison Studying leaf shape and the arrangement of leaves on a stem is the most common way of identifying a tree in the field during the growing season. The novice taxonomist ...

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

This month green is going to get its due because it’s the subject for the July edition of the Readers Photo Challenge.

Perhaps the most famous industrial fire in American history, which led to demands for labor reform and regulations, began in a shirt factory in New York's Greenwich Village in 1911. The fire quickly ...