Vessels in a tree’s xylem transport water from the roots to the rest of the plant. Hardwood tree species tend to have large ...

If you live in a warm climate, consider planting this unique, fragrant tree in your yard. It will reward you with stunning flowers and a sweet aroma.

Check out a gallery of photos of this newly constructed mountain estate in Flagstaff, complete with an unique 'secret' room, that fetched a record price.

Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.