Friday August 28, 2009 Updated 1:15 AM PDT
San Francisco will receive about 100,000 doses of swine flu vaccine in mid-October, with 40,000 more...
NASA will test the powerful first stage of its new Ares moon rocket today, a milestone in a program that...
Once upon a time in the long evolution of Homo sapiens, a band of our African ancestors learned to use fire for more than cooking meat...
Chronicle 8.26.09 4:00 AM
A spoonful of sugar? Americans are swallowing 22 teaspoons of sugar each day, and it's time to cut way back, the American Heart...
Chronicle 8.25.09 4:00 AM
Casa Olga Intermediate Care Facility in Palo Alto, a 35-year-old center that provides care to psychiatric patients, began the...
Chronicle 8.24.09 4:00 AM
A minor priest from ancient Egypt gave his body to a high-tech scanner at Stanford Medical Center on Thursday. The priest is a mummy...
Chronicle 8.20.09 7:34 PM
Thousands of feet beneath the sea live worms that can cast off green glowing body parts, a move scientists think may be a defensive...
Chronicle 8.21.09 4:00 AM
I do so love the Martian watermelon. Perhaps you read David Perlman's piece about it in This Very Newspaper. Allow me to quote the...
Chronicle 8.19.09 4:00 AM
Cleanup workers have contained 200 gallons of an "oily, watery mixture" that seeped into the bay after a decommissioned Navy tugboat...
Chronicle 8.18.09 4:24 PM