Weyerhaeuser has launched a venture to turn runty trees and sawdust into a replacement for metallurgical coal used in steel ...

Colorado leaders are sounding the alarm on a growing pine beetle outbreak that experts say could kill millions of trees and ...

Colorado leaders are sounding the alarm on a growing pine beetle outbreak that experts say could kill millions of trees and ...

Indoor evergreens promise the best of both worlds: the glow of a decorated tree in December and a living houseplant that ...

As homes and preferences evolve, living plants are increasingly replacing traditional Christmas trees. These natural ...

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to ...

The University of Colorado Boulder has acquired a rare Wollemi pine tree, a tree species that lived alongside dinosaurs and ...

Christmas trees—and conifers in general—have made some surprising cameos throughout U.S. history, author Trent Preszler ...

There is growing concern across Colorado about mountain pine beetle infestations. Neighbors in the Black Forest say they’re ...

Shop Christmas trees now and plant them after the holidays; see top picks like Arizona cypress, Deodora cedar and Aleppo pine ...

How do snowflakes form? Do pine cones have seeds? What are those antlers on elk for? Dive into this and more in Deep Look’s ...

Weighing the environmental pros and cons of a real or artificial Christmas tree can get murky. Here are a few things to ...