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 ...

Across its time harbouring life on Earth, North America has seen some of the most dangerous animals known to the fossil record. The continent has seen everything, from giant dinosaurs, to monstrous, ...

Add Yahoo as a preferred source to see more of our stories on Google. Archaeologists in West Texas have made an astonishing discovery which sheds light on the lives of prehistoric humans in America, ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The diet of a key prehistoric American group appears to have been rich in mammoth meat, a study analyzing data extracted ...

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 ...

Foreword -- Ancient America : The sources -- The origins of the native population of America and of the American cultures -- The birth of agriculture in America -- The geographical setting of the ...