Paleo-Eskimos were cemented in history as the first people in the Arctic region by researchers looking for the people who first lived in the cold regional parts.

Eske Willerlsey from the Natural History Museum said that Paleo-Eskimos represent a single group that survived without outside contact for 5,000 years.

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However, researchers believe that the Paleo-Eskimo that lived 5,000 years ago crossed the Bering Strait 700 years ago.

Maanasa Raghayan from the Center of GeoGenetics said that their finding showed that after surviving the harsh Artic environment, the Paleo-Eskimos disappeared the same time the Inuits spread to Alaska.

The Inuit, which means the people, are indigenous people that live in the Arctic regions of Greenland, Canada and United States.

Willesley said that all the different Paleo-Eskimo cultures belonged to the same group but they are not related to the Thule people, which are the ancestors of modern Inuit.

He clarified that Native Americans did not originate from Paleo-Eskimos because there is no indication of assimilation between the two groups.

They explained that the migration of the two indigenous groups differ from one another, Native American first migrated in America followed by the Paleo-Eskimos migration in Arctic region.

The study rejects the idea that Paleo-Eskimos were the descendants of Native Americans, researchers said.

They explained that the diverse culture that Paleo-Eskimos had easily misled people into thinking that they were different groups of people, they added.

Researchers were still finding out the reason for the disappearance of the Paleo-Eskimos that coincided with the Inuit colonization of the Arctic.

They explained that the ancestors of the Inuit people that crossed were far more technologically superior to the Paleo-Eskimos.

William Fitzhug from the Arctic Studies Center said that the findings settle the issue about the Paleo-Eskimo relation to the Thule and Inuit culture, since its first discovery in the North American Arctic in 1925.