High-tech instruments and old-fashioned groundwork remain important in the aftermath of an earthquake.
A magnitude 6.0 earthquake rocked the San Francisco Bay Area early Sunday morning.
The release of hundreds of red balloons during a gaming conference in San Francisco angered many in the city by the bay.
Harbor porpoises are returning to San Francisco Bay in increasing numbers after having evacuated the area during Word War II.
Hormones in the waterways are causing sex changes among amphibians, but don't blame birth control.