Pensacola will soon know the location, size and health status of every tree on city property. Over the next seven weeks, crews from the consulting firm Geosyntec will be in city parks and along city ...

Leetsdale officials understand it takes more than having the streets paved, garbage picked up and grass cut to take care of a borough environment. Some of the tallest things in town also need to be ...

This southern magnolia in Sussex County is a national co-champion. Photo by Alexandra Cassell. The formula for measuring a champion tree is deceptively simple: add the trunk circumference (in inches) ...

ANN ARBOR, MI - For those who've seen the mighty oaks towering in some of Ann Arbor's parks, perhaps it's no surprise they rank as the biggest of their kind in the city. A bur oak in West Park with a ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The old tree had survived plenty. Branches tangled in power lines. Dogs ...

Researchers have shown that it's possible to link your identity to supposedly secret genetic information about your predisposition to diseases, merely by analyzing family-tree databases and other ...

Ask any first grader what a tree looks like, and they’ll draw a characteristic closed, scalloped shape suspended with two parallel lines extending downward. But ask a tree expert, or dendrologist, and ...

Forests are disappearing. Maps show shrinking woodlands all over the world. Even trees coveted for their wood that are protected from logging are chopped down. Worried about such deforestation, ...