Have you ever played with a magnet and stuck it in a sandy wash? It will pick up lots of black stuff. Some call it black sand; some might think ...

Geological resources such as critical metals and minerals, essential for the diffusion of technologies such as renewable ...

United States Geological Survey scientists have shared maps that show where ash would fall across the US if a Yellowstone ...

Geophysics plays important roles in comprehending both the shallow and deep architecture based on variations in subsurface physical properties beneath the ...

Researchers have discovered what may be the world’s oldest 3D map, located within a quartzitic sandstone megaclast in the ...

A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic ...

"If payment is not received within 60 days, a lien will be filed with the Knox County Register of Deeds and placed on the city tax rolls against the property," the Feb. 26 warning letter states.