Some geologic faults that appear strong and stable, slip and slide like weak faults. Now geologists have provided laboratory evidence showing why some faults that "should not" slip are weaker than ...

The Earth's crust may have something in common with a lot of people: It tends to be lazy, at least when it comes to moving along certain types of seismic faults, new research says. Using a special ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

ONE OF THE reasons I became a geologist was the maps. I will never have enough walls in my house for all the beautiful geologic maps I'd love to hang. But these maps are also full of information about ...