Since 1805, the number of humans on Earth has skyrocketed from one billion to eight billion. Zoomed out, the growth appears positively parabolic. For everyone alive today, the present population boom ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: While most estimates place the current human ...

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 ...

Learn more about why the human population seems to be in decline and what that could mean for the future.

As the human population increases and we build more and more infrastructure across the planet, there will be increasing overlap between humans and animals in the next 50 years. About 57 percent of all ...

A groundbreaking DNA study has unveiled a hidden chapter in human evolution, revealing that all modern humans evolved from two ancient and distinct groups. This research, published in March 2025, ...

For decades, the dominant theory in human evolution suggested that modern humans descended from a single ancestral lineage in Africa. However, groundbreaking new research from the University of ...