From carpet beetles to ladybugs to palo verde beetles, here's what to know about the most common beetles in Arizona and why ...

Sean O'Brien, from the UNH Cooperative Extension, takes a look at how beech leaf disease spreads and the signs to help you ...

A mountain pine beetle outbreak is on the rise in Black Forest and across the state. The Colorado State Forest Service is ...

A mountain pine beetle outbreak is on the rise in Black Forest and across the state. The Colorado State Forest Service is ...

Lake Arrowhead exists as California’s worst-kept secret—a mountain paradise that somehow remains blissfully uncrowded despite ...

One recent morning, trying to find the source of a warbler trill high in a white pine tree, I was rewarded with a brilliant flash of orange. It was my ...

Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.

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 ...

Ohio’s hidden treasures don’t get much more hidden than Tar Hollow State Park, a 604-acre oasis of tranquility nestled in the rolling hills near Laurelville. While everyone’s rushing to Hocking Hills ...

Hawkins Preserve, just 3 miles southwest of downtown Cortez, attracts a slew of outdoor enthusiasts: hikers, trail runners, ...

A lightning strike that smoldered undetected inside a tree for days has been identified as the cause of the Forsyth Fire, ...

The diameter at breast height (DBH) is the most extensively measured parameter in the field for estimating stem volume and aboveground biomass of individual trees. However, DBH can not be measured ...