ASPEN – An Aspen homeowner and a landscaper he enlisted to prune limbs from a neighbor’s tree were both fined $550 by the city of Aspen as part of an agreement announced Wednesday in Municipal ...

An infestation of aphids and other bugs is putting Aspen's cottonwoods under extreme stress and causing their leaves to die earlier than normal, according to local tree experts. "This is the worst ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we’re lucky.

A local homeowner is suing his neighbors over the felling of aspen trees, the third lawsuit in two years in Pitkin County to center on the removal of trees near property lines. Filed Tuesday in Pitkin ...

A new tree disease, known as aspen running canker, was recently discovered in the N.W.T. This disease is often fatal to the ...