A new study published June 18 in the journal Nature has uncovered a “huge surprise” about humans in Africa 50,000 years ago.

The study challenges the idea that the climate of northern Africa dried out around 3 million years ago, a time when the ...

The Earth of the last Ice Age (about 26,000 to 19,000 years ago) was very different from today's world.In the northern hemisphere, ice sheets up to 8 kilometres tall covered much of Europe, Asia and ...

Humans are the only animal that lives in virtually every possible environment, from rainforests to deserts to tundra. This ...