A review by the United States Geological Survey found that 1.6% of well water was above 4 mg/L, but 85% of wells were below 0 ...

Valerie: Prominent 2km long high-density, gravity anomaly correlated with both a high magnetic response from drone-borne ...

Matt LaFever has reported on California’s North Coast in print and radio for nearly a decade. A Humboldt State grad and ...

In a recent column, you responded that fluoride is naturally occurring, and places that removed fluoride from drinking water had increased tooth decay. Is fluoride naturally found in well water? I’ve ...

A little-known division within the Interior Department is facing elimination, jeopardizing national efforts to protect ...

In a recent column, you responded that fluoride is naturally occurring, and places that removed fluoride from drinking water ...

Last year, due to the US new round of export restrictions, four government-supported industry groups, accounting for a large ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

U.S. coal ash reserves could provide a domestic source of rare earth elements, potentially reducing reliance on Chinese ...

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage reported from minor temblor.

A preliminary 2.6 magnitude earthquake struck east of San Jose Tuesday morning, according to the United States Geological Survey.