On a sandstone cliff at a remote Pueblo site in the Southwest, a cluster of spirals and animal figures is forcing archaeologists to rethink how ancient communities tracked the sky. The newly ...
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Alien Rock
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The Dighton Rock boulder is one of those archaeological sites you didn’t know existed in New England. The 11-foot-long, 40-ton sandstone rock features remarkable petroglyph carvings estimated to be ...
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