Scientists thought the Bering Land Bridge mirrored the dry grassy plains found in the nearby Siberian steppe ecosystem. But ...

In short, the Bering Land Bridge was more of a Bering Land Swamp ... Today, some islands — St. Lawrence Island, King Island, and several others — are all that remain of the once huge migratory ...

This roadless wilderness sits on the western edge of Alaska in an area known as the Seward Peninsula. Though few people travel here today, archaeologists believe that ancient populations migrated from ...