Voting season is here—for bees! Until September 8th, folks can vote for their choice of state bee. Picking a native ...

Pesticides used in common over-the-counter topical tick and flea treatments have been found in Bay Area wastewater effluent ...

This story contains graphic descriptions and depictions of carnivory.

Jake Sigg, one of California’s best-known advocates for protecting native biodiversity, died on June 10, one week after his ...

California lawmakers struck a deal to divert $125 million in climate funding to buy the former Golden Gate Fields track and turn it into a park. Gov. Gavin Newsom supports the project.

August 13, 2026: As forecasts have changed, we’ve updated the text to indicate that a “very strong” El Niño for this fall and winter is almost certain. The Climate Prediction Center is also now ...

Pastures are visible from a derelict milking barn at the historic D Ranch, founded in 1870 and abandoned after the creation of Point Reyes National Seashore. There’s an ambitious plan to restore these ...

State Route 12 cut to the horizon line of Solano County. Somewhere out of sight lay the small town of Rio Vista and the Delta. But about an hour northeast of San Francisco, midway through southern ...

From creeping slime molds to brain-eating ciliates to kelp, protists may be the strangest and most misunderstood group of creatures in the tree of life. Haeckel pointed out the troublesome task of ...

An old railway track used to haul lumber runs through a redwood forest in Northern California. By the early 1860s, the old-growth redwoods in the East Bay had been felled and logging activity had ...

The parrots of San Francisco have ancestors from two species that hail from two completely separate parts of South America. Amir Aziz / Bay Nature This San Francisco story begins somewhere along the ...

Dawn mist in a coast redwood grove in Big Sur, which lies at the southern end of the coast redwood habitat. (Photo by Evan Spiler, evantravels.com) The core sample from the oldest coast redwood tree ...