Bering Land Bridge

(Newser) - New research indicates the ice sheets that covered North America during the last ice age developed "surprisingly quickly and much later in the glacial cycle than previous studies had suggested"—and the implications could be big. There's been much debate about when the Bering Land Bridge that...

(Newser) - You probably remember the Bering Land Bridge theory from history class: North America's first inhabitants traveled along a land bridge between Siberia and Alaska and discovered an immense new world less than 15,000 years ago. Just like the land bridge did 10,000 years ago, that belief now...

(Newser) - The Americas weren't initially populated in one sweeping migration across the land bridge from Siberia, but in three distinct waves, according to a new DNA study. By comparing genetic markers on 52 modern day Native American populations and 17 Siberian ones, they've concluded that while the Americas were...

(Newser) - Researchers have found the genes of dogs in some North American wolves, linked to interbreeding some 15,000 years ago, reports Wired. The black fur of some forest-dwelling wolves is the result of the long-ago matings with dogs, likely kept as companions by American Indians. The dalliances may have strengthened...