Thousands of Artifacts Unearthed in Alaska Hint at an Even Older Human Presence in the Americas

Researchers in Alaska have discovered rare artifacts connecting prehistoric communities on either side of the famous Bering Land Bridge far earlier than previously believed.

In a study published Wednesday in the journal Science Advances, researchers describe an astounding amount of archaeological material unearthed over more than a decade at Shég’ Xdaltth’í’, a 13,800-year-old archaeological site in interior Alaska. Most notably, they discovered diamond-shaped projectile points that have previously only been found in two archaeological sites on the other side of…