Scientists have uncovered a massive ancient geological feature beneath the Midwestern United States — a billion-year-old rift ...

The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North ...

The horse originated in North America around four million years ago. As changing sea levels created land bridges between ...

A large-scale genome study shows that Indigenous peoples in the Americas split off several times, resulting in loss of important genetic diversity.

A large-scale genomic study of over 1,500 individuals from 139 underrepresented Indigenous groups across northern Eurasia and the Americas sheds new ...

The United States and Canada, long-standing allies and neighbors, share the North American continent and have a shared interest in securing it against threats from potential adversaries. For too long, ...

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It’s been 200 years since the first organized transport of Norwegian emigrants sailed to the US, and the bicentennial is ...