Although many artifacts and faunal remains have been unearthed at the Olorgesailie Basin since 1942, only one hominin remain — a frontal bone — was discovered in situ in 2003, raising questions about ...
The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The Isthmus of Panama formed, connecting North and South America, and the ...
One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...
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