WYOMING, Mich. — What looks like just a rock to most people can hold much more meaning for collectors. The rock can be a story, a science lesson, or even a childhood memory. The Indian Mounds Rock and ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

Minerals, crystals, and fossils are beautiful, geologically fascinating, and can aid in spiritual practices, with specimens from all over the world found at area rock shops. Whether you're really into ...

Igneous and metamorphic petrology represent two fundamental branches of geological science that elucidate the formation, transformation, and evolution of Earth’s solid materials. Igneous petrology ...

One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...

The Worcester area has evidence of the Mesoproterozoic Era, going back to the earliest known days of the present-day Earth's formation. Glaciers, volcanic activity and the pushing of tectonic plates ...

NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” taken from the Bright Angel formation in Jezero Crater, ...