Visit this area of the White Mountains in California's Sierra Nevada region, where you can hike and see trees that predate ...

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

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ...

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

The Metropolitan Council approved $2.5 million in grants, igniting an effort to plant 5,100 new trees and remove 2,200 ...

A towering symbol on the front lawn of the New Hampshire State House came down Monday as age and disease spelled the end to ...