People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

Researchers say they have identified a new species of ancient hominin, Homo juluensis, that could help solve another big ...

The third and largest wave began in 1800 with the harnessing of fossil fuels. With enormous, cheap energy at its disposal, the human population grew rapidly from 1 billion in 1800 to 2 billion in 1930 ...

Other populations have become cloistered thanks ... a now-extinct group of human ancestors who originated in Asia. But after that initial meet-up, Papua New Guineans became genetically isolated ...

"Within the past 50,000 years, most of the variation that is seen among human populations evolved," Hodgson said. "This includes all of the skin color variation seen across the globe, all of the ...

Tracking coyote movement in metropolitan areas shows the animals spend lots of time in natural settings, but a study suggests the human element of city life has a bigger impact than the environment on ...

This article was originally published with the title “ The Urbanization of the Human Population ” in Scientific American Magazine Vol. 213 No. 3 (September 1965), p. 40 doi:10.1038 ...