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

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

Jeffrey pine trees are tolerant of both cold and drought ... artificial intelligence platform, satellite or remote sensing technology. "People aren't marching to the tops of the mountains to ...

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.

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

On a recent hike through the High Sierra, UC Davis professor Hugh Safford was taking in the scenic views thousands of feet above the rest of eastern California when an unexpected species caught ...

Olive Mullet reviews the book 'Adventures in Volcanoland' by Tamsin Mather in the latest Up and Down the River column ...