From bark patterns to pit-and-mound topography, these 10 clues help hikers identify old-growth forests on their next ...

Arborists say many tree problems go unnoticed until a storm hits. Here are the warning signs experts say homeowners should look for before damage occurs.

The Cairo Fossil Forest is a unique collection of 385 million-year-old trees preserved in an abandoned quarry in upstate New York. The forest holds some of the oldest trees in the world, as well as ...