A University of Kansas researcher has spent years studying "aquaterra"—his term for regions around the world once populated by ancient humans that today are submerged under water due to sea-level ...

Many species of animals go through mass migrations, but there’s likely no species on Earth that has migrated to more locations than human beings. Unfortunately, human migrations are often the result ...

The Indigenous African Hadza and South American Tsimane share gut microorganisms that shed light on human dispersals and ...

The changing climate’s growing impact is acting as a powerful threat multiplier — exacerbating violence, exclusion, discrimination, and weak state protection and spurring migration from El Salvador, ...

Climate change is making some regions less habitable for humans, whether by raising sea levels, hurting crop yields, or intensifying droughts, storms, and wildfires. Yet, if you ask people why they're ...

The original evolution of hominins (modern humans and their evolutionary ancestors since the split with other great apes) took place in Africa about 7 million years ago, based on the fossil record.

Humans are the only animal that lives in virtually every possible environment, from rainforests to deserts to tundra. This adaptability is a skill that long predates the modern age. According to a new ...

At least five financial groups or think tanks have published 2025 projections about "net migration" — how the number of people immigrating to the U.S. compares with the number moving out of the ...

Modern humans spread across different parts of the world by migrating out of Africa, but initial attempts met with disappointing failure. However, before the daring migration out of Africa into ...

Humans have always migrated to survive. When glaciers advanced, when rivers dried up, when cities fell, people moved. Their journeys were often painful, but necessary, whether across deserts, ...