Above: This photo tells an entire story. Taken at Roan Mountain State Park in Tennessee in January, it shows most of the deciduous trees are bare. However, you can easily see the light tan colors of ...

Scientists are investigating the reasons some plants still wear last season’s tattered clothes.

But there’s hope, and that’s where Holden Arboretum is playing an important role, whether it’s researching spread of the disease, experimenting with insecticides, or trying to clone trees that are ...

A tiny worm is attacking beech trees across Massachusetts, and arborists say they're worried the long-term impact could devastate a species that's critical to the state's forests. The worm causes ...