First Americans may have crossed Atlantic 50,000 years ago
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A new archaeological discovery suggests humans migrated to the hemisphere far earlier than previously thought.
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The true beginnings of the Mississippi River in northern Minnesota -- a spot that was a source of much debate in the 19th century -- mark the first stop in a 2,500-mile odyssey along the length of the mighty waterway. By Michelle Delio.
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A team of explorers sets sail from the US for Spain in a reed boat, aiming to prove the possibility of a pre-Columbus crossing.
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In a study with implications for how North American trees might respond to a changing climate, molecular information collected by Duke University researchers refutes a widely accepted theory that many of the continent's tree species migrated rapidly from the deep South as glaciers retreated at the end of the last Ice Age.
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Four months of extreme togetherness are coming to a close for a dozen adventurers who've been exploring the Chesapeake Bay much like John Smith did &#151; sailing, and sometimes sleeping, in a replica of his small, open work boat. Their journey was set to end Saturday where it began: Jamestown, America's first permanent English settlement, which Smith helped found 400 years ago.
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Learn the real history behind the explorer's legendary voyage&#8212;and why people still debate whether the U.S. should celebrate the day he landed in the New World as a holiday.
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JAMESTOWN -- They were known as the "20 and odd," the first African slaves to set foot in North America at the English colony settled in 1607.
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It's not something you speak out loud, actually. My daughter Katie, whose spent her semester abroad at the ancient University of Glasgow (founded 41 years before Columbus discovered America), informed me that ...
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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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The ancestors of humans began walking upright while they were still living in trees, a theory suggests.
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Archaeologists say they have discovered a stone block inscribed with the earliest writing in the New World.
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The archaic human species that dominated Europe until the arrival of modern humans some 45,000 years ago possessed a critical gene known to underlie speech, according to DNA evidence.
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The ability of early human ancestors to run long distances may have influenced the transition to today's body form, researchers report.
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A Russian dive that was the basis of a claim to nearly half of the Arctic seabed had American origins.
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Some head lice infesting people today were probably spread to us thousands of years ago by an extinct species of early human, a genetics study reveals.
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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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Description: Researchers report this week that they have found the remains of a group of small hominids that may be a new species of human -- one that may have existed on an island near Indonesia as late as 14,000 years ago.