A new study suggests the first humans probably got to America from Siberia via the Pacific coast rather than through a corridor between two giant ice sheets, as previously thought.
The theory that the Americas were populated by humans crossing from Siberia to Alaska across a land bridge was first proposed as far back as 1590, and has been generally accepted since the 1930s. But genetic…
Ancient camels up to 29% larger than their modern-day cousins may have roamed the High Arctic of Canada around 3.5 million years ago, according to a new study of a fossil found in the region. The study…