Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

America’s 63 national parks are breathtakingly beautiful and incredibly diverse, encompassing wild seashores, towering ...

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

An atmospheric river event is forecast to bring rainfall, snow, and the potential for flooding to parts of California this ...

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being done to prepare for storms?

In the Arizona desert, researchers are uncovering extraordinary details about the peoples who have inhabited this land since ...

In one of the largest deals to protect open space in the Bay Area over the past decade, an environmental group is purchasing a scenic redwood forest in the North Bay that will create a 7-mile-long ...