Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian National Museum of Natural History. AP SAO PAULO (Associated Press) — Sloths weren’t ...

Forget the gentle image of dinosaurs grazing in peace, prehistoric America was a nightmare realm of violence and survival. Ancient lakes hid colossal predators, while massive land mammals clashed in ...

This September 2013 image provided by researcher Mike Waters via the journal Nature shows the site, marked by a pole at center left, where the remains of a boy from the only known burial site of the ...

The first people to enter the Americas may have sailed from Japan around 20,000 years ago, according to a new analysis of ...

If you've never heard of the Ancient Ohio Trail, you're not alone. But this relatively unknown route links sites that are among the most impressive prehistoric landmarks of antiquity. They include ...

Archaeologists have discovered what appears to be the oldest mine in the Americas, a quarry in eastern Wyoming where prehistoric humans sourced red ocher some 13,000 years ago. Red ocher, also known ...

Introduction : our cultural Amnesia -- Adena, first civilizers of North America -- Who were the Adena? -- The keltic fingerprint on prehistoric America -- Hopewell masters of ceremony -- Who were the ...

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The diet of a key prehistoric American group appears to have been rich in mammoth meat, a study analyzing data extracted from the 12,800-year-old remains of a toddler has revealed. Published in the ...