Foresters are calling it the most destructive tree pest to ever invade North America, and its march of devastation continues. Emerald ash borer has now spread to 35 states, killing hundreds of ...

Mixing tree species can lead to better growth in the forest—at least above ground. A new study published in Nature shows that ...

Trees in fall are in a state of serious change and reorganization. The tree is becoming dormant. A tree heading toward winter will sense the changing temperature and light and obey the dormancy ...

This hands-on activity will connect your child with the trees in her backyard and neighborhood. Aside from being big and beautiful, trees serve a very important purpose on our planet. Can your child ...

Low-cost “tree fitbits” can pinpoint the precise timing of tree activities, like spring bloom or autumn leaf change, according to a new University of Colorado Boulder study. Researchers outfitted two ...

With warmer weather starting to emerge and longer days on the horizon, most of us who have been cooped up inside for the winter are bursting to get outside and enjoy some fresh air. After a year of ...

Low-cost “tree fitbits” can pinpoint the precise timing of tree activities, like spring bloom or autumn leaf change, according to a new CU Boulder study. Researchers outfitted two East Boulder ash ...