Despite its name, the tree of heaven is most commonly known as a highly invasive species in the state of West Virginia.

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.

I had gone into the forest to collect myself. For a sense of timelessness, amid trees here long before I got here, that would ...

Sometimes we get sidetracked with bunnies and baskets at this time of year. But we can get beyond those to see the beauty and ...