The western bewildering bushmallow is endemic to the San Francisco Bay Area. It returned for the first time in over 100 years ...

The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...

Your garden plants are going to sleep for the winter. Unfortunately, so are the pathogens that cause diseases that attack them. Plant pathogens include fungi, bacteria, viruses and nematodes. Bacteria ...

Fall in the Florida garden can sometimes feel and look like spring. We had a week of cool weather earlier in the fall, but ...

DEAR NEIL: In raking leaves from shrubs around the house I’ve noticed asps on a couple of hollies. What is the best way to ...

Conditions are quite different today as I step into the early November woods for a walk. With the leaf drop and the not-yet snow cover, the forest is very open, and I see plenty of things that were ...

A remote lakeshore deep inside Yosemite National Park teems with life: coyotes, snakes, birds, tadpoles, frogs. The frogs are at the heart of this scene, which a decade ago was much different. It was ...

Scientists are seeing signs of resistance to the infections that have been wiping out the world’s amphibian populations—and ...