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.

The majestic redwood tree is one of the top things to see in California. Nestled in the Sierra Nevada Mountains, Sequoia and ...

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

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

This year’s Earth Day theme, Our Power, Our Planet, invites everyone to unite behind renewable energy and to triple the ...

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.

Sequoia National Forest — in the Sierra Nevada northeast of Bakersfield — was once busy with timber production.