The National Weather Service warns about potential flash flooding and debris flows in burn scar areas caused by excessive rainfall.

The petroglyphs can be found on volcanic tuff formations formed over 760,000 years ago when a large eruption released hot ash ...

An erupting Hawaii volcano once again began shooting fountains of lava that reached hundreds of feet high on Tuesday. Fountains reached heights of 400 feet to 500 feet in the early morning hours, ...

Though it might not be the first region to come to mind when you think of steep hills, Los Angeles is home to four of the ...