If they become established in North America, the DNR said there will be "serious environmental and economic impacts." ...

The staghorn sumac seed heads are beginning to change color and are now pale yellow, but as summer progresses the seed heads will become a crimson color. If you are not familiar with the staghorn ...

New York’s Adirondack Park has long drawn travelers into the outdoors. Yet the cozy, convenient hut-to-hut system other ...

Seattle summers are filled with sunny days and lush trees and shrubs throughout parks and neighborhoods, providing cooling ...

As temperatures rise, local officials warn residents about the Western Pine Bark Beetle, a native insect that affects ...

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness ...

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.

An average maturing tree under optimal conditions can transport up to 10,000 gallons of water only to capture about 1,000 usable gallons for the production of food and adding to its biomass.

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

View Landscape with birch trees and horses by Frants Peter Didrik Henningsen on artnet. Browse upcoming and past auction lots by Frants Peter Didrik Henningsen.