Years before the L.A. fires, Orchard Hills faced a fire of its own — and came out mostly unscathed due to a long ...

From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Slow-moving slides are common around the world, and especially in California, where several hundred have been mapped in ...

Several long-distance through hikes navigate across high-country ridges and into lush meadows in the U.S. The most well-known ...

In some areas, hazards have surged. Buildings in the highest hazard zones will be subject to the strictest fire-resiliency ...

An earthquake with a preliminary magnitude of 3.5, the third above 3.0 in Southern California in the last several hours, struck the Inland Empire on Saturday afternoon.

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

Residents of a Southern California mountain community near the Eaton Fire burn scar are digging out of roads submerged in ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas ...

Parts of Pacific Coast Highway remained closed due to heavy flooding and mudslides in Southern California, according to state ...

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