The U.N. predicts the world population will reach eight billion by November 15. Grant Faint via Getty Images The population of humans on Earth is expected to reach eight billion by November 15, ...

Humanity could be on the cusp of a civilizational collapse, according to population ecologist William Rees. In November 2022, the global population hit 8 billion, according to estimates by the United ...

All modern humans share DNA from two ancient populations that split 1.5 million years ago and reunited through interbreeding about 300,000 years ago. The genetic mixture is approximately 80% from one ...

A new study sheds light on how prehistoric hunter-gatherer populations in Europe coped with climate changes over 12,000 years ago. Led by scientists from the University of Cologne, a team of 25 ...

Our species is nothing if not prolific. The world’s human population is expected to reach 8 billion this month and increase to 10 billion over the next 60 years, according to demographers at the ...

Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to unravel in 2025.