A pivotal history of Earth lies submerged beneath ... Scientists thought the Bering Land Bridge mirrored the dry grassy ...

Though few people travel here today, archaeologists believe that ancient populations migrated from Russia into the Americas across this stretch of land during the Ice Age 10,000-12,000 years ago when ...

In doing so, they have helped upend widely accepted theories about human migration from Asia over the icy Bering Land Bridge ... More: Texas history: We turn the clock back 20,000 years at ...