Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian ...

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

Have you ever stood before a landscape so breathtaking, so ancient, that you felt the weight of millions of years pressing ...

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