The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from ancient sand dunes that hardened over time. It discusses how to interpret clues in ...

For more than a century, visitors to a remote California lakebed have stared at long, ruler-straight tracks etched into the ...

The rock cycle naturally takes thousands to millions of years, but scientists just identified a new form of rock that cements in under four decades. Researchers believe the natural cements found in ...