It’s called watchful waiting. Being prepared. There is a fungal disease — oak wilt — that can quickly kill oak trees, especially red oaks. White oaks, the state tree, seem to survive better. Beetles ...

A hundred years ago, Maryland's first state forester challenged residents to find the state's biggest tree. Now the contest is back. Scott Detrow speaks with Joli McCathran of the Big Tree Program.

There's something beautiful about a big, old tree, whether you come across it out in nature, camping or on a hike, or maybe just taking a walk, or maybe even in a yard. It makes you think, how old is ...