Editor's note: This story was originally published on Dec. 18, 2017. The wishes scribbled and stapled to Winterhaven's Wishing Tree each year actually double as data for a science project that began ...

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 ...

Ask anyone what comes to mind when they think of Northern Arizona University and they'll probably say something about the trees. NAU's Flagstaff mountain campus is home to an estimated 5,000 to 6,000 ...

Northern Arizona University has been a notable educational leader in combining quality education with ambitious sustainability goals, and initiatives like the student-led Tree Inventory project and ...