A UC Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the ...

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.

Last September, at timberline along the south slopes of Mount Kaweah in Sequoia National Park, Safford paused to admire a foxtail pine, then a lodgepole pine — trees he expected to see at such ...

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

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

The UTA Planetarium and College of Science celebrated Tuesday by teaching attendees about the sapling’s off-Earth history.

Photographer Mitch Epstein's years-long project highlights the majesty and vulnerability of old growth forests across the US ...

As he continued his voyage through the forest in Sequoia National Park last ... in elevation than the highest Jeffrey pine on record. The first tree he encountered, which he estimated to be ...