See for yourself how ancient petroglyphs found in Arizona mark the spring equinox with a “shadow dagger.”
Read MoreWednesday, August 17, 2022
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700,000-Year-Old Horse Found in Yukon Permafrost Yields Oldest DNA Ever Decoded
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At 50, Ring-Tab Beer Cans Are Now Officially Historic Artifacts
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16,000-Year-Old Tools Discovered in Texas, Among the Oldest Found in the West
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Wyoming Wildfire Reveals ‘Massive’ Shoshone Camp, Thousands of Artifacts
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New Dinosaur Found in Montana Reveals Tyrannosaurs’ True Face (They Didn’t Have Lips)
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First-Ever Fossil Poop Excavated From L.A.’s La Brea Tar Pits
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New Feathered Dinosaur From New Mexico Was Among the ‘Last of the Raptors’
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America’s Earliest Traces of Potato Use Found at 10,900-Year-Old Utah Shelter
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Rock Art in Chaco Canyon May Depict Ancient Solar Eclipse, Experts Say
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World’s Best-Preserved Armored Dinosaur, a ‘Mona Lisa’ of Fossils, Found in Alberta
