Climate change poses a major existential threat to humanity, meaning billions of people could die as the planet becomes too hot and unstable to live. Case in point, the rash of record-breaking heat ...

Our two main theories of human behavior do a poor job of explaining how humans change to meet the demands of varied environments. One theory -cultural determinism – mostly denies that this happens.

An open-air site in Austria occupied by humans during the coldest part of the last glacial period may have been dedicated to hunting reindeer for pelts, showing how people adapted to extreme ...

Homo sapiens dispersal out of Africa came 50,000 years ago Early humans tackled habitats like deserts and forests June 18 (Reuters) - Small bands of Homo sapiens made a few failed forays leaving our ...