Ground-penetrating radar from China's Martian rover Zhurong reveals shallow impact craters and other geologic structures in the top five meters of the red planet's surface. Ground-penetrating radar ...

GE 3050 - Structural Geology Rock structures and regional settings resulting from the application of deforming forces, including the geometry, origin, and mechanics of folds, foliations, lineations, ...

The collapse of Double Arch, one of Utah's majestic geologic arches, stunned park visitors and deprived the state of a popular natural landmark forever. But geologists say its demise was inevitable.

As Kathryn Vollinger prepared to climb Castleton Tower, a 120-meter-tall sandstone formation in the desert near Moab, Utah, the outdoor guide assessed her gear. Ropes? Check. Helmet and harnesses?