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 ...

New research from the UBC-based Mother Tree Project is shedding light on how forests respond to harvesting and climate stress ...

The vast majority of forest restorations contain just one tree species—leaving them vulnerable to pests like the emerald ash ...

“Dr. Christmas Tree” is a weighty title to bestow on someone. After 48 years of diving into the nitty-gritty of the perfect holiday foliage, Gary Chastagner has earned the moniker. A professor ...

Joshua trees are weird. I say this as an expert on Joshua trees. Joshua trees look weird — their twisty branches end in bouquets of stiff, knife-like leaves, which die back to hang from the branches ...