We have to start counting from 1 again.

For decades, humanity has treated the global population count as a settled number, updated in neat increments and plotted on smooth graphs. Now a wave of research suggests those tidy figures may be ...

How would you go about answering the question “How many people have ever lived on this planet?” If you type that into Google or an artificial intelligence chatbot, you’ll get an answer pretty ...

"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 ...