Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect ...