The latest photo challenge calls for you to take and send in your best pictures of trees. Here's how to enter.

Knowing the names and stories of trees can add a whole new layer to your hikes. Here are eight that you might spot on ...

Tulip poplars are a favorite nesting tree for birds, and they are an attractive species to butterflies and hummingbirds. The ...

The bare branches of deciduous trees provide a good opportunity to better see the shape ... Some exposed yellow birch roots are longer than I am tall as they reach from the elevated perch to the soil.