A mountain lion spotted in Menlo Park's Sharon Heights sparks concern among residents, continuing a trend of big cat sightings across the Bay Area in recent months.

San Diego Humane Society dispatches Emergency Response Team to aid animal rescue efforts in the wake of Maui's deadliest wildfire in over a century.

San Diego County launches a new campaign, "Lights Out, San Diego!" urging locals to reduce light pollution by turning off non-essential lights at nighttime during bird migration periods.

A new pack of the highly endangered gray wolf has been confirmed in California, expanding their presence further into the state and being direct descendants of the legendary OR7.

A Hillsborough resident spots two mountain lions eating a deer in their backyard while neighboring cubs lounge in their den nearby.

An ambitious construction project has begun at San Diego Zoo Safari Park to create the innovative Elephant Valley, promising a one-of-a-kind experience, while keeping the total costs under wraps.

Lightscape, the internationally acclaimed holiday attraction, is returning to the San Diego Botanic Garden with new immersive installations set to dazzle visitors and transform the garden into an enchanting winter wonderland.

San Diego Humane Society takes unprecedented measures, sending over 300 small animals to Arizona in its largest-ever mass transport, to help address record-breaking overcrowding in local shelters and provide a fresh chance for the pets to find loving homes.

A Santa Clara County resident has become the first human case of West Nile virus in the area this season; authorities urge community vigilance against the mosquito-borne illness.

After the recent discovery of a 34-year-old hiker's body on El Cajon Mountain, safety concerns about hiking in San Diego County have been raised due to a string of deadly incidents on the trails.

Six percent shrinkage in San Mateo's agricultural industry attributed to drought reveals a sobering impact on the county.

San Diego County officials announce the closure of five parks throughout August due to heat concerns, providing a maintenance window and an opportunity to remind hikers about staying safe during the hot summer months.

The resurgence of last year's toxic algae bloom in the San Francisco Bay raises concerns about the potential for further environmental degradation and potential dangerous blooms.