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 ...

Extensive new research by Palo Alto resident Jeff Watt, an electrical engineer with a dogged devotion to facts, is separating ...

The scientific name is Laurus nobilis, and it goes by many nicknames, including bay leaf, true laurel, and sweet bay.When ...

First responders rescued a young mountain lion from a tree after he wandered into the yard of an Orange County home on Monday ...

A UC Berkeley-led citizen science project has discovered at least four outbreaks of a new, potentially more aggressive form ...

The massive tree, dubbed the Mossy Creek Giant ... He also makes a habit of intervening when forest fires threaten California’s most significant trees, calling National Park Service or State ...