Late spring snowstorms are weighing heavily on Colorado trees that have already begun blooming after an unseasonably warm ...

The Jeffrey pine, one of the iconic trees of the Sierra Nevada, appears to have eclipsed other pines to become the ...

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

There’s a place in northwest Georgia where time seems to slow down, where the chaos of daily life fades away with each step deeper into the wilderness – James H. “Sloppy” Floyd State Park in ...

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...