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Every week, Pictured Rocks rangers take visitors on a free, guided hike to unspool some of the “tapestry of geological layers ...
NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...
NASA’s Perseverance rover examines a complex Martian rock, collects rare minerals, and sets a new driving record.
From fossils to remarkable collections of crystals and other geological findings, the Pinal Geology and Mineral Museum in ...