A University of Kansas researcher has spent years studying "aquaterra"—his term for regions around the world once populated ...

Learn about the migration routes that ancient humans took when traveling out of Africa and how rising sea levels may have ...

Why is Spain's economy booming? Thanks to migration. Russian volcano erupts for the first time in 600 years Texas GOP's new ...

Climate shocks, escalating violence, and donor pullbacks are overwhelming local networks that protect the most vulnerable and ...

The global fertility rate was 2.2 births per woman last year, down from five in the 1960s and 3.3 in 1990, according to the ...

Welcome to the online version of From the Politics Desk, an evening newsletter that brings you the NBC News Politics team’s latest reporting and analysis from the White House, Capitol Hill and the cam ...

What happens if the AI migration accelerates and sizable portions of the workforce are slow to move out of fear, resistance or inability?

One guide’s viral social media post is forcing the safari world to confront the pressure that tens of thousands of tourists ...

Salk immunologists discovered that specialized immune cells called T cells increase in mammary glands during late pregnancy ...