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

A bill to exempt the proposed shipyard from environmental analysis is doing the time warp again.

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 ...

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 ...

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 ...

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 ...

Orange pore fungus (Favolaschia claudopus) Alan Rockefeller via iNaturalist, CC BY-SA 4.0 On my very first guided mushroom hike at Joaquin Miller Park, 30 long years ago, I was gobsmacked at the idea ...

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 ...

Portrait of a young signal crayfish at the bottom of the San Lorenzo river, where this invasive species was introduced in the early 1900s. Its numbers remain high to this day. (Anton Sorokin) It was ...