The Bay Area's worst shaker in 25 years revealed -- once again -- where the vulnerabilities are.
The San Francisco Public Utilities opened on Friday a new cement-encased, steel-lined tunnel that runs from Sunol Valley to Fremont. It will carry an average of 265 million gallons of water a day for customers of the Hetch Hetchy Water System Improvement Program, which consists of more than 80 projects to seismically retrofit and upgrade an 80-year-old water system serving 2.6 million people in the Bay Area.
Marine scientists from up and down the West Coast say it's a one-two punch to the Pacific food web.
Railroads and oil companies stage a show-and-tell in Sacramento to highlight safety measures they've put in place. Environmentalists and community activists remain skeptical.
From the dust of the former Hewlett Packard campus in Cupertino, a glass and concrete ring is taking shape. Apple is building a new headquarters, and it's going to be bigger than the Pentagon. KQED got a tour and a look at the campus' green features.
Under pressure from a federal deadline and amid news reports that state regulators allowed oil companies to inject wastewater into aquifers clean enough to drink from, officials outlined plans for new safeguards.
They may sound like faulty plumbing, but male northern elephant seals have a unique communication system that's all about reputation.
State scientists, federal agencies, and a lab in Britain are all trying to identify a mystery gunk that killed hundreds of sea birds in San Francisco Bay. It's been three weeks, and still no word on what the gunk is. KQED investigates why it's taking so long.
Even the best prosthetics today lack a natural sense that tells the brain where the body is in space. That makes it hard to comb the back of your hair, for example, or thread a belt.
Regulators say the stricter new standard could save lives and reduce hospitalizations. Critics say it would be costly and would kill jobs.
Three years after California state parks were discovered to have mismanaged millions of dollars, a task force issued recommendations for how to manage and fund the state park system.
'Frozen reservoir,' source of a third of California's water, is far below historical average.
Newest Earth science mission could extend the accuracy range of weather forecasts, fine-tune flood forecasts.
Scientists hope a stubborn high-pressure bubble over the West Coast isn't a replay of the last two winters.