A giant whale swam beneath a group of California surfers and it was captured on drone video.

Instead of filling a storage space attached to their carport with junk, Craige and Jennifer Walters transformed it into a lovely tiny house for guests.

Explaining this his car 'doesn't need its own little home,' a homeowner converts his garage into a cottage and rents out his main house.

The new policy at Dignity Health Mercy Medical Center in Merced builds trust and community, and the patients are seeing the results.

Extremely low levels of radioactive cesium from the Fukushima nuclear meltdown are present in ocean water offshore California.

With groundwater pumping and the evaporation of heavy weights of water, Earth's crust rebounds. This movement affects the fault, causing earthquakes.

The lead scientist for our Global Marine Team was there as the surge arrived in Santa Cruz. It was supposed to be 40 minutes of small waves. He explains why boa

With Sonoma County in the bag, affordable prefab builder Blu Homes unveils its first project in Southern California: a remote, low-impact desert retreat owned b

While the Camp Fire rages over 100 miles away in the Sierra Nevada foothills, San Francisco experiences an air pollution emergency.

Spanish endurance athlete Antonio de la Rosa is the first to cross the Pacific on a paddleboard.

Space shuttle Endeavour's trip to California has been delayed by a weather front in its way.

The space shuttle Endeavour takes to the skies above California for its last-ever flight today, Sept. 21, giving observers from Sacramento to Los Angeles a one

Space shuttle Endeavour, now a permanent resident of the state of California, has traded its winged chariot for a set of custom wheels.

Space shuttle Endeavour has hit the road in Los Angeles to start its two-day journey to its new home.

Amidst much fanfare, the new museum display featuring retired space shuttle Endeavour opened to the media and invited guests here on Oct. 30.

California approved new rules that require new homes and low-rise apartment buildings to use solar panels starting in 2020.

Falling levels of air pollution have resulted in a drop in California's dense tule fog.

Even core areas of pika habitat 'are vulnerable to climate change within a timeframe of decades,' researchers say.

Even though the California Gold Rush took place more than a century ago, it left a toxic legacy of mercury pollution.

The chemicals, which come from valley farms as well as illegal marijuana gardens, are a contributing factor towards sharp declines in frog populations.

Yes, says a new campaign that champions backyard pools as a drought-friendlier landscaping alternative.

In exclusive and exceptionally irrigated Rancho Santa Fe, residents now face water rationing.

Bel Air: Champagne wishes and $90,000 water bill dreams.

The now-permanent rules are just common sense, really.

These deadly mushrooms have caused five deaths in California since 2010, and even experienced mushroom gatherers can misidentify them.

High winds and vacant land create the perfect recipe for tumbleweed terror in Victorville.

Stockton is set to become the first city in the U.S. to experiment with providing a universal basic income to some low-income families.

Many organizations are accepting donations for California wildfire victims and first responders, making it easy for you to help.

Groundbreaking case was the first to link the product with terminal cancer.

Study reveals that green certified homes are valued 9% higher than comparable properties.

The deal with the Tesla Model 3: 215 miles of range, zero to 60 under 6 seconds, $35,000 — but read the fine print.

UC Davis students conceive a 'deliberate solution' to substandard farm worker housing.

New requirements for happier hens infringes on the interstate commerce protections of the U.S. Constitution, says Missouri attorney general.

Chinese government offers high-speed rail expertise to U.S. projects.

The scavenge-happy folks at Fireclay Tile launch a Kickstarter campaign to help transform old CRT TVs and computer monitors into stunning glass tiles.

For wealthy Californian homeowners, extra peace of mind comes with a high price tag.

Millions of black 'shade balls' float on the surface of reservoirs, slowing evaporation.

The eco-friendly boutique hotel is located in Napa Valley.

Painted lady butterflies are migrating north for the summer, and they're overtaking southern California, to the delight of many.

The western monarch population may be on the verge of collapsing.

Meet the winners of the first California Green Medal: Sustainable Winegrowing Leadership Awards.

Non-native nutria have made their way to the Golden State, and Californians are rushing to find a solution to this ROUS-sized problem.

The California New Car Dealers Association reports that the Toyota Prius was the best-selling car in California in 2012.

Got California rolls from the grocery stores for a healthy lunch? Check to see if your meal's rolled with high fructose corn syrup.

More than 250 earthquakes have struck the state's Southern border since New Year's Eve, and it's not the first time this has happened.

Once isolated to the Central Valley, the hybrid tumbleweed Salsola ryanii is making moves — and fast.

“Down to Earth” highlights the sustainability inititaives at several of California’s wineries and opens up your sustainable wine choices.

Soaring prices have made walnuts, almonds and other nuts a tempting target.

There's a poaching ring focused on some succulents in the genus Dudleya, which can fetch millions on the black market in East Asia.

A great horned owl is rescued from the ashes of the Maria Fire in California.