San Francisco's iconic fog is flying high this week, soaring over the towers of the Golden Gate Bridge and nearly clearing ...

Consider this your complete handbook to taking in the world's tallest trees across this four-park destination.

California's redwood trees are the tallest trees and among the oldest in the world. But development, diminishing fog, and extreme fires are threatening their health.

The coastal fog that gives San Francisco its romantic ambience is thinning out, a boon to drivers but a real threat to the giant redwoods there, researchers reported on Monday.

The coastal redwood, Sequoia sempervirens, grows along the fog belt of central coastal California to the coast of Southern Oregon. Here, in its natural habitat, it receives 50 to 100 inches of ...

And in the summer, that cold water meets the warm air and creates a lot of fog. - [Lucy] There's physiological complications with pulling water 300 feet up against gravity.