There are more than a thousand species of sharks and rays in the world, and nearly a quarter of them are threatened with extinction. That means these ancient types of fish are among the most endangered animals in the world.
Gov. Jerry Brown says California is in an "unprecedented, very serious situation," and calls for voluntary 20 percent statewide reduction in water consumption.
Importing an Arctic iceberg for freshwater? Painting brown lawns green? California has had some creative ideas for droughts in the past.
A UCSF researcher explains how public pressure on makeup manufacturers seems to work, and why it's "common sense" to keep plastic dishware out of the microwave.
Researchers are launching a new project to monitor California's kelp forests for radiation from the Fukushima nuclear power plant in Japan. Scientists will fan out along the California coast to collect kelp and find out if it has absorbed any radiation from the 2011 meltdown.
Utilities find that nothing drives water savings quite like giving you a peek at your neighbors' habits.
Environmental groups are generally lauding Governor Jerry Brown's new budget, which includes an outline for spending revenue from the state's carbon auctions.
A San Jose judge has increased by $50 million the amount that paint makers will have to pay into a fund to remove lead paint from homes across the state, making the total $1.15 billion.
From the debut of the world's largest solar plant to Comet ISON, zombified bees to the physics of sailing — it's been another year of diverse storytelling from the KQED Science team. Here's a round-up of our top 10 stories (based on page views) that you've enjoyed in 2013.
Reining in global warming may require expanding the number of nuclear plants, some say.
In San Francisco this week, NASA scientists presented rare video footage of the Earth and moon, plus a first for citizen space science.
A $100 million effort to push the world's cities toward better disaster resistance is making a test case with a "gang of four" Resilient Cities: Alameda, Berkeley, Oakland and San Francisco.
A project that revives traditional food knowledge for Pacific Northwest tribes could leave you thinking about your food choices this Thanksgiving.
For the last few years, hybrids and plug-ins have been the stars at the L.A. Auto Show. This year, the buzzwords are “hydrogen fuel cell.”
Federal regulators say the Mountain View-based personal genomics company has failed to answer concerns about its DNA testing kit.