There are 8 billion of us alive today, give or take a few hundred million. We crowd cities, cross oceans in mere hours, and ...

There's an idea that the number of people living on Earth right now is greater than the number of the dead. It's way off.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “We were surprised to find that the actual population living in rural areas is much higher than the ...

The Toba supereruption 74,000 years ago was so massive it may have plunged Earth into years of darkness and cold, leading some scientists to believe humanity nearly went extinct. Yet archaeological ...