Ancient chimps may have used hammers
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Chimpanzees may have been using stone "hammers" as long as 4,300 years ago. An international research team, led by archaeologist Julio Mercader of the University of Calgary, Canada, said Monday it had uncovered the hammers, dated to that time, in the West African country Ivory Coast. It would be the earliest known use of tools by chimpanzees.
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The earliest-known human ancestors to migrate out of Africa possessed a surprising mix of human-like and primitive features, according to scientists who studied remains dug up at a fossil-rich site in the former Soviet republic of Georgia.
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By DEEPTI HAJELA  NEW YORK - In the beginning were the bones. Fossils dating back hundreds of thousands- even millions- of years used by anthropologists to trace how the human species evolved.
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Scientists find that male chimpanzees will embark on crop raiding for fruit to attract a mate.
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Description: The fossil remains of an ancient Spanish ape may help explain a key event in evolution. Scientists say the skeleton offers clues about how our ancestors stopped swinging from trees and started walking upright.
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An ape that lived 13 million years  ago in what is now Spain may have been the last common ancestor  of all apes, including chimpanzees, gorillas, orangutans and  humans, researchers said on Thursday.
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There&#39;s a new storm in the ranks of anthropologists who try to understand the long and puzzling history of human evolution by studying fossil evidence from millions of years ago.
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WASHINGTON - A chimp-sized human ancestor walked upright 6 million years ago, far earlier than anyone had been able to show before, researchers report.
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If walking upright first set early human ancestors apart from their ape cousins, it may have been their eventual ability to run long distances with a springing step over the African savanna
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Wild South American monkeys routinely use fist-sized rocks to crack open seeds and to dig in dry Brazilian soil for grubs and edible tubers, researchers report in the journal Science.
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Archaeologists have unearthed evidence of a species of dwarf people, dubbed Homo floresiensis.
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A new DNA analysis indicates that the parasites  accompanied their human hosts in the original peopling of the Americas, probably as early as 15,000 years ago.
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UK researchers have collected the first hard evidence of monkeys using tools, Science magazine reports.
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An ape that lived 13 million years ago in what is now Spain may have been the last common ancestor of all apes, including chimpanzees, gorillas, orangutans and humans, researchers said on Thursday.
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A team of scientists says it has found evidence in three wrist bones that an extinct group of people were members of a distinct species.
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Chimpanzees scampering on a treadmill have provided support for the notion that ancient human ancestors began walking on two legs because it used less energy than quadrupedal knuckle-walking, scientists said.
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MODERN human beings may have wiped out two species of our closest relatives 25,000 years ago, possibly deliberately. The new research, by scientists at the University of Utah, raises the possibility that we