John Hoffecker News Today

Evidence suggests that people likely boated across the narrow passage between Russia and Alaska when the crossing was submerged.

An icy barrier up to 300 stories high – taller than any building on Earth – may have prevented the first people from entering the New World over the land bridge that once connected Asia with the Americas, a new study has found.

The first people who migrated to the Americas from Asia may have had to take a circuitous coastal route, as direct passage overland may have been blocked by a massive wall of ice.

The biological evidence "simply does not match up" with archeological finds. Native Americans may not have originated in Japan as previous archaeological evidence has suggested, according to a new study of ancient teeth. For years, archaeologists...