A 620-mile geological enigma that has baffled scientists for decades has finally been solved. The Denali Fault, a massive strike-slip fault system in Alaska, unveils a story of immense tectonic forces ...

There’s so much to love about our national parks! That’s why we’ve put together a national parks checklist and map you c ...

A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.

New research on the Denali Fault reveals three geologic sites were once united in a suture zone, marking the integration of ...