The risk of a blood clot developing after a J&J vaccine is tiny, but it's also scary and confusing. We break down ways to evaluate vaccine options.

Donald Trump had one of the most antienvironmental agendas in U.S. history, says Rolling Stone's Hannah Murphy. However, his administration 'was really quite bad' at carrying out its plans. KQED talks to Murphy about this and what Joe Biden can do to put the environment front and center.

'There are many things under the state's control that we can do to make this problem better,' said Michael Wara, who led the team assessing wildfire costs.

The most promising solution is neighbors helping neighbors, so older adults living independently can evacuate in a disaster

The drug maker balks as 34 state attorneys general call on Washington to step in and authorize more manufacturers.

There's nothing simple about solving racial inequity in science, but here is one place to start.

With dry conditions and drought, this fire season could start early. Protect yourself, your family and your neighborhood by preparing now for a bad wildfire.

Elective procedures, including brain surgery, are on hold to preserve hospital beds and conserve masks.

Looking for something new to do as you shelter in place? Now's a great time to take up stargazing.

One of the most stunning discoveries of the 2015 New Horizons flyby mission to Pluto was a big, heart-shaped region full of canyons, plains and mountain chains.

The FDA has granted researchers “expanded access” to help people with treatment-resistent PTSD.

The conflict between the state of California and a Silicon Valley billionaire over a beach on the San Mateo County coast is at an important juncture.

Both California and federal health officials are probing the link between chemical food dyes and kids' behavior.

Despite an increase in insurance companies dropping coverage in fire-prone areas, nobody's ready to blow up the entire system yet. But some reforms may be on the way.

All about that oh-so-special feeling you get after a night of heavy drinking, from the author of "Proof: The Science of Booze."

It doesn't have to be that way. Every heat death is preventable. It's just going to take time, money, and a strong standard for warning people of danger.

One year after devastating fires, the North Bay is grappling with how and where to rebuild.

Storing water doesn't necessarily mean pouring a lot of concrete anymore -- and that's affecting which projects get funded.

In Hollywood, it’s not all about getting the science right; it’s really about how science can inspire the twists and turns in a great story. We talk with the man who helps ignite that inspiration.

California voters have not passed a statewide ballot measure to provide funding for parks, beaches, wildlife and forests since 2006. This measure provides 4.1 billion dollars for parks, beaches and water projects, with a focus on parks in low-income neighborhoods.

Homeowners who install rainwater catchment systems would not have to pay property taxes on the home improvement, if voters pass Prop. 72 on June 5th.

Are you ready to see a car go by without a human behind the wheel? The California DMV can issue permits for these road tests, starting today.