Personal genetics companies that offer health insights are working to satisfy federal regulators and keep up with changing science.

With California deep in a drought, communities are cracking down on water wasters, right? Demanding that residents take shorter showers and stop watering their lawns? Not exactly.

Farmers are looking to the sky for the latest water-saving tool. But will aviation authorities allow it?

Chevron is looking to launch a billion-dollar construction project at its Richmond refinery. It’s a slimmed down version of a project that environmentalists stopped with a lawsuit a few years ago.

As water supplies tighten for California farmers, some are looking to an unlikely new source: a water recycling project in one of the state's oldest oil fields.

The drought is putting a spotlight on water use around California, including for hydraulic fracturing. How much water does fracking use and will it increase as companies tap into the Monterey Shale, estimated to be the largest oil resource in country?

Getting sick in space is no picnic. So scientists are sending bugs to the International Space Station, hoping to better predict some of the physical challenges that may befall astronauts when NASA eventually sends the first human mission to Mars.

Earlier this year, managers at a hatchery near Vancouver, Canada said they lost three years' worth of scallops -- 10 million animals -- to acidic waters. Ocean acidification is worse off the West Coast than anywhere else in North America.

Scientists are finding that dust storms in Asia and Africa influence how much snow falls in the Sierra Nevada. The research could help make weather forecasting more accurate and improve how California manages its water supply.

While scientists study whether "electroceuticals" might treat depression or chronic pain, among other ailments, DIY "brain hackers" (including this reporter) are trying it out on themselves.