Paleonthropologists attempt to explain the fossil evidence of cannibalism among the Neanderthals.

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Did Cro Magnons, the ancestors of early humans, cause the Neanderthal extinction?

DNA evidence may prove whether Cro Magnon and Neanderthal interbreeding was possible and what traces might be left in the genome of modern humans.

Methane trapped in millennia-old ice cores helps to explain the causes of the Ice Age that descended on the planet around 10,000 B.C.

A 1,000 year-long ice age known as the Younger Dryas may have brought together different groups of prehistoric humans from across the Americas.

Australopithecus Afarensis, or "Lucy," walks upright, the first step in the chain of human evolution.

Mammoths were the largest beasts to roam the planet since the dinosaurs, posing a formidable challenge for early human hunters.