In western Colorado, home to the treasured Palisade peach, cytospora canker is one of the most economically consequential ...

The world's oldest oak tree, the Jurupa Oak, will be protected from a new development after conservation groups, city ...

Researchers at the Connecticut Agricultural Extension Experiment Station have reported a few methods of treatment for beech ...

(Why I sit in the same spot outside every week.) ...

During the fourth week of April, about 114 out of every 100,000 emergency department visits nationwide were for tick bites.

Douglas fir dieback, caused by drought and insects, has spread from southwest Oregon into the Willamette Valley in a major ...

Researchers explain why shot‑hole borers spread unevenly, how pollution and stress play a role, and what the infestations ...

Cities are getting hotter, and trees can help. A new study shows why many planted trees die and what works better.

A deadly oak disease that also affects redwoods and other trees has spread to a far Northern California tribe's lands.

Maine Forest Service officials say a fungus and a virus are combining to help drive down the browntail moth population in the ...

Baltimore officials will name the city's first official tree in more than 50 years -- and they want your help to choose it.

On April 15, groundskeeping crew, students, community members and self-described “hippies” gathered around the foot of a tree ...