The Mendocino Headlands State Park surrounds the village on three sides, offering clifftop trails where you can watch the ...

A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

NASA and the French space agency CNES's SWOT satellite provides researchers with the tools to create the most accurate ocean maps yet.

Build your outdoor reading list with some of our readers' favorite California books, from John Steinbeck's 'East of Eden' to ...

If nights spend rubbing shoulders with celebrities in Hollywood or the days spent strolling the Sunset Strip have you worn out, then it’s time to leave Tinsel Town for a few days and take a […] ...

Pull up the geographic center of California on Google Maps and you'll be led to a unique destination in the state.

Caltech is putting up 25 air monitoring sites on rooftops and poles in Altadena (some in Pasadena) to measure PM10 pollution ...

To make up for the loss, scientists from Caltech and the Jet Propulsion Laboratory (JPL) in La Cañada Flintridge set up a ...

More accurate maps based on data from the SWOT mission can improve underwater navigation and result in greater knowledge of how heat and life move around the world's oceans.

Fascinating caves, an opera house and hot springs galore. The historic communities of Shoshone and Tecopa have much more to ...

Interactive map from the California Geological Survey shows the destruction potential of a tsunami wave in the Golden State.

A new study by NASA and NOAA reveals that certain areas in California are sinking while others are rising. The Central Valley ...