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.

Struggles, decisions and startling moments that shaped KQED's science coverage in the early days of the coronavirus pandemic.

California's underwater kelp forests are suffering massive declines. But a new study shows that sea otters are helping to preserve kelp off the Central Coast.

California has a rule aimed at preparing hundreds of thousands of workers from airborne disease. Why didn't it protect more people?

Federal wildlife officials say that monarch butterflies qualify to be protected as an endangered species but won't be receiving that protection for now.

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.

Lower your risk for the coronavirus with a few simple habits. This kind of 'harm reduction' has always worked well for public health.

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.

From rare magnolias to towering palm trees, the San Francisco Botanical Garden is a haven for plants threatened by climate change and deforestation around the globe.

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

Picky eating can become a dangerous disorder. What seems like finicky eating may be related to avoiding or restricting food.

Fire season isn't waiting for the COVID-19 pandemic to subside. Protect yourself, your family and your neighborhood by preparing now for a bad wildfire.

Yosemite is reopening, but won't be the same.

Bay Area researchers are joining forces with scientists around the world to trace the evolution of the COVID-19 virus, parsing its genome to contain its spread.

From the start of this pandemic, science news has unfolded at a dizzying pace and crushing volume. Scientific research, which usually creeps along in the background until publication day and then pops up to say something worthy, is suddenly making breathtaking international news every few days.

Fire agencies and emergency managers are now planning how they'll fight wildfires, issue evacuation orders, set up shelters and handle power shutoffs in the face of the massive challenge of coping with a highly infectious disease.

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

Is staying at home working to slow the spread of coronavirus?

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

As outbreaks of the new coronavirus dominate the headlines, an army of disease researchers and public health officials have mobilized to track down infections and limit the extent of the spread. To talk about the work of these disease detectives, KQED's Brian Watt spoke with Solano County Health Officer Dr. Bela Matyas. Solano County has three confirmed cases of the coronavirus.

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.