We saw die-back in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter ...

Storms, pests, diseases, and overcrowding can all signal it's time to cut down a tree. Look for these signs and more to know ...

Trees with especially unique leaves include ginkgo, sassafras, yellow poplar, and mulberry. Here, we explore the various classifications that foresters study when identifying trees by leaf shapes.

Water mostly enters a tree through the roots by osmosis and any dissolved mineral nutrients will travel with it upward through the inner bark's xylem (using capillary action) and into the leaves ...

The children were part of the Capitol Junior Rangers program, a statewide initiative for children aged 7 to 12 to learn about California’s biodiversity.

In Arizona, surveyors found bark beetles have killed trees on about 300,000 acres this year, slightly more than a spike in 2013 but far less than a decade earlier.

The man allegedly removed the bark from Machilus thunbergii trees — a species valued in traditional herbal medicine — in a wooded area of Seongeup-ri, Pyoseon-myeon, located in Seogwipo. Police ...

Tree trunks are more than just wood—they’re living records of everything a tree’s been through. From growth spurts to natural ...