Fossilized footprints, preserved in gypsum mud that hardened over time, are estimated to be 23,000-21,000 years old. NPS / Alamy Ancient human footprints, preserved in a dry lakebed at White Sands ...
January 9, 2026 • A new NPR/Ipsos poll found Americans across the political spectrum want the U.S. to be the moral leader of the world, but far fewer believe it actually is. January 7, 2026 • After a ...
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