A researcher claims to have found evidence of humans in Chesapeake Bay over 22,000 years ago. The assertion is yet another ...
Archaeologists debate when the first humans arrived in the Americas. Controversial 22,000-year-old stone tools are one of the ...
Two million years ago, an encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble ...
DNA from prehistoric and modern-day people suggests that humans interbred with Neanderthals 47,000 years ago for a period lasting 6,800 years. Neanderthal genes seen in modern humans may have ...
People often use sea ice, as seen here off Alaska’s northern coast outside the town of Utqiagvik, for travelling. (Photo by Ned Rozell) Human footprints preserved in mud at White Sands National ...