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

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

A Jeffrey pine tree growing in far eastern Tulare County is the highest in altitude tree ever recorded in California. The new ...

The Sierra Nevada Mountains are part of Sierra Nevada ... During the summer, lifts transport visitors to some of the park's highest peaks, including Veleta (the tallest after Mulhacén) and ...

The National Weather Service has issued winter weather advisories for parts of California until Sunday morning.

Later Friday, a late-season snow event will unfold across the mountains of northern California and the western Great Basin, ...

Weather Impact Alert conditions will last today and tomorrow. A Winter Weather Advisory is in effect right now until 11 a.m.