Scientists have found that a single tree can be home to a trillion microbial cells — an invisible ecosystem that is only beginning to be understood. A black oak in the Yale-Myers Forest of northern ...

Bristlecone pines in the western U.S. have been alive for nearly 5,000 years, but an upstart Patagonian cypress challenges that record. This 1,400-year-old bristlecone pine on Mount Washington in ...

The Prometheus tree once stood in this grove on a mountain in Nevada. James R. Bouldin / Public domain via Wikimedia Commons In the summer of 1964, a graduate student named Donald Rusk Currey asked ...

Purdue Landscape Report: Trees are incredible survivors in spite of the challenges from pests of all kinds, including us! They are vulnerable to injuries such as mechanical wounds from lawn equipment, ...