While it's impossible to pin down exactly, October 31 marks the symbolic date that the human population passes the 7 billion mark. Since it's impossible to track dynamic population data on such an ...

Paul Ehrlich, who has died aged 93, was an entomologist specialising in butterflies, though he became better known as a ...

Nearly one million years ago, humanity came perilously close to disappearing. A new study reveals that our ancestors may have been reduced to just 1,280 individuals, leaving the human race on the ...

Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the biggest mysteries is understanding how large or small ancient human populations ...

A recent groundbreaking study has radically altered our understanding of human evolution. Homo sapiens, traditionally thought to have descended from a single lineage, is now believed to be the product ...

"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 ...

Over the past century, the world's human population has exploded from around 2 billion to 8 billion. Meanwhile, the average fertility rate has gradually declined. And if that trend continues as it has ...

We are on the cusp of a major and unprecedented turning point in human history. For the first time in as long as humans have roamed the earth, the global human population is about to peak and begin an ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. An entertaining and thought-provoking overview of the rise and ...