Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

A bizarre sack-like “thing” dangling off a tree branch in a rural Aussie town stopped a man in his tracks this week. The ...

Deciduous trees and shrubs lose their leaves in the fall and can provide color, texture and interest to your yard. Evergreens keep their leaves or needles throughout the year and can act as windbreaks ...