http://www.bbc.com/earth/story/20170328-the-first-people-who-populated-the-americas

Mar 30, 2017 ... We are getting closer to understanding who the first Americans really were. ... with a thick sheet of ice, which made the Americas difficult to inhabit. ... Humans and animals could simply walk from Asia to North America.

https://news.nationalgeographic.com/2018/06/when-and-how-did-the-first-americans-arrive--its-complicated-/

Jun 9, 2018 ... How did human beings first come to North America? Across the Bering Strait, on foot? Down the “kelp highway” by boat? Across the Atlantic via ...

https://www.nationalgeographic.com/science/2018/11/ancient-dna-reveals-complex-migrations-first-americans/

Nov 8, 2018 ... Ancient DNA reveals complex migrations of the first Americans ... years ago, which corresponds to the spread across North America of distinctive ... highlands, and the Huilliche-Pehuenche, who live in Chile's coastal lowlands.

https://www.livescience.com/63292-first-americans-route.html

Aug 9, 2018 ... Did the first people to inhabit the Americas hug the coast after crossing the ... people traveled inland, over the ice-free corridor in North America ...

https://www.independent.co.uk/news/science/north-america-first-humans-colonist-evidence-scientists-alaska-genetics-a8140231.html

Jan 3, 2018 ... Evidence of first ever humans to colonise North America found by ... of how ancient populations came to inhabit the Americas," said Dr Ben ...

https://www.livescience.com/61319-dna-first-americans-lineage.html

Jan 3, 2018 ... ... offers a new perspective on the first people to settle in the Americas and presents ... [In Photos: Human Skeleton Sheds Light on First Americans] ... humans settled in Beringia for 10,000 years before reaching North America.

https://en.wikipedia.org/wiki/Settlement_of_the_Americas

The first settlement of the Americas began when Paleolithic hunter-gatherers first entered North .... The earliest possible viability of the ice-free corridor as a human migration route has been estimated at 11.5k cal years BP. Birch forests were ...

https://www.smithsonianmag.com/science-nature/when-did-humans-come-to-the-americas-4209273/

“This site is as old as anything in North America,” Waters said. ... First the researchers had to clear the site of the detritus that had accumulated in the 15 years ...

https://www.nytimes.com/2017/04/26/science/prehistoric-humans-north-america-california-nature-study.html

Apr 26, 2017 ... If early humans smashed mastodon bones found in California in 1992, scientists will have to rethink how humans came to the Americas.

http://www.fairfaxtimes.com/articles/did-north-america-s-first-humans-cross-the-chesapeake-to/article_6c3b7540-3f51-11e8-b0b9-f7f08a10e811.html

Apr 13, 2018 ... ... coastal cliff on an island in the Chesapeake Bay is challenging scientists' long- held theory about the first humans to inhabit North America,