Have you ever noticed a tree with branches that are cut back to its trunk and wondered what it means? Here's what's behind ...

A small invasive beetle is causing big problems for California's oak trees and has prompted officials to issue an urgent ...

With all of the recent hot and dry weather, severe storms are probably not top of mind. But, unhealthy trees are less likely to survive the next round of wild weather. Fortunately, there are ways to ...

Browse 28,800+ oak leaf stock illustrations and vector graphics available royalty-free, or search for oak tree or acorn to find more great stock images and vector art.