An "unprecedented" toxic algae bloom has overrun the coast of Southern California, sickening marine animals and staining the shoreline amid the invasion.

California’s Channel Islands, often called North America’s Galapagos, are home to a stunning array of unique wildlife and ...

This Earth Day, we’re celebrating stories from the past year of UC research that illustrate the resilience of life on our ...

Every year — sometimes more than just once — established bee colonies get too crowded. A new queen will be born and she, or ...

The nation's first Indigenous-nominated marine sanctuary protects plant and animal life, and also honors the land’s original ...

An invasive Asian mussel species threatens critical Sacramento-San Joaquin Delta waterways and what the state plans to do about it.