From towering giant sequoias to deep Sierra canyons, these twin national parks showcase some of the largest trees and wildest ...

California's wild wolf population grew 10 percent last year, according to wildlife officials.

(CNN) -- A San Francisco conservation group has kicked off a public fundraising campaign to buy and protect the world's largest remaining privately owned giant sequoia forest. It just needs $15 ...

The same gray wolf that was spotted in Los Angeles County in February has become the first wild wolf to enter Sequoia National Park in more than 100 years, according to the California Wolf Foundation.

TULARE COUNTY, Calif. -- Dramatic video shows the moment a hiker trapped behind a California waterfall for two days was rescued. The 46-year-old man from Long Beach was hiking with friends who decided ...

Five years ago, a tragic and depressing environmental story unfolded when thousands of giant sequoia trees, an iconic California species that tower 300 feet high and can live for 3,000 years, were ...

The Forest Service is launching a new mobile smartphone app that will give visitors key information about the parks they are ...

A gray wolf has entered Sequoia National Park in California, marking the first publicly known sighting there in more than a ...