The Bering Strait (/ ˈbɛərɪŋ, ˈbɛrɪŋ / BAIR-ing, BERR-ing, US also / ˈbɪərɪŋ / BEER-ing; [1][2][3] Russian: Берингов пролив, romanized: Beringov proliv) is a strait between the Pacific and Arctic oceans, separating the Chukchi Peninsula of the Russian Far East from the Seward Peninsula of Alaska. The Bering Strait Crossing refers to the migration of ancient peoples from Siberia to North America via the land bridge known as Beringia during the last Ice Age. This migration laid the foundation for the peopling of the Americas and remains central to understanding human prehistory. The Bering Strait is the Pacific’s northernmost part and separates Asia and North America, particularly Russia and the United States. It connects the Bering Sea to the Chukchi Sea of the Arctic Ocean. About Bering Sea It is a marginal sea in the northernmost part of the Pacific Ocean, separating the continents of Asia and North America. To the north, the Bering Sea connects with the Arctic Ocean through the Bering Strait, at the narrowest point of which the two continents are about 53 miles (85 kilometres) apart.