More than 15 million tourists from around the globe travel to California each year to visit its world-famous theme parks, ...

An invasive Asian mussel species threatens critical Sacramento-San Joaquin Delta waterways and what the state plans to do about it.

The Bryan Clay Invitational began on April 16 at Azusa Pacific University in Southern California. Here are the results from ...

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.

This scenic trail in California is listed on the National Register of Historic Places and gives scenic but lush Grand Canyon vibes.

Hiking season is shifting into high gear with spring break and summer just around the corner, but several recent rescues in just the past few months are putting the spotlight on hiker safety.