As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life on ...

Master gardener Sally Scalera shares the dirt on which fragrant plants are native, important because they attract and support ...

If you thought the ancient evergreens at California's Big Basin Redwoods State Park were old, the state's bristlecone pines ...

Within three months, a shipment of small branches arrived in California. The branches carried not only cottony cushion scale, ...

The tree, which is over 4,800 years old, is found in a grove of other trees, but its exact location is kept a secret.

Infrastructure is the stuff that makes life possible. But it's an eyesore. As early as the 1910s, Pittsburghers sought ways to hide it.

The counties containing prairie urban centers like Boise, Omaha, Lincoln, and Wichita all gained forest cover.