Add Yahoo as a preferred source to see more of our stories on Google. Two women planting potted tree saplings in a backyard. - Nikola Stojadinovic/Getty Images Fall gives you the perfect opportunity ...

Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

University of Alberta research is showing how trees and fungi team up to survive and stay healthy against insect attacks—an alliance that could lead to more resilient forests. Endophytes—tiny ...