Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

Californians are accustomed to being battered by many of nature’s whims. Earthquakes, wildfires, droughts and floods are all regular visitors. Less familiar are volcanic eruptions like the one ...

SAN RAFAEL (CBS SF/BCN) -- Cal Fire reported early Thursday morning that a grass fire started in the Lucas Valley-Marinwood community the afternoon before was still burning but fire crews had it 90% ...

Mount Lassen, the southernmost active volcano in the Cascade Range and a favorite for backcountry adventurers, is bracing for up to 10 feet of snow as a bomb cyclone slams Northern California. Major ...

Mount Lassen, in the southern Cascades, erupted on May 22, 1915, 65 years almost to the day before Mount St. Helens. Also known as Lassen Peak, the mountain is the southernmost active volcano in the ...

Another likely year of the variant: will this life-threatening cycle ever end? The omicron and delta variants are portending closures of indoor activities, large public gatherings and travel as we ...