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 ...

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 ...

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 ...

With the increase in human migration, economies and markets across the world are being reshaped. While I've found much of the media spotlight has been focused on migration to Western countries such as ...

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 ...

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.

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 ...

This essay is part of The Great Migration, a series by Lydia Polgreen exploring how people are moving around the world today. We are living in an age of mass migration. Millions of people from the ...

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, ...