In 1960, three scientists published a paper in Science that calculated, with deliberate provocation, that the human ...
Researchers formulated a mathematical equation that unifies 12,000 years of human population growth and points to an alarming ...
The human population of Earth could collapse and be cut in half in just 40 years if the conditions on the planet change, ...
In a new open-access study that I published with my late colleague Kostya Trachenko from Queen Mary University of London, I propose a surprisingly simple nonlinear mathematical equation that unifies ...
Nearly half of the biggest US cities reported fewer residents after COVID. By 2024, many had begun adding residents again.
U.S. residents are aging and having fewer babies, with fertility rates at a record low and trailing what’s needed for the ...
Over the course of 13 expeditions and other efforts between mid-2025 and mid-2026, scientists found hundreds of previously ...
The world's urban population increased by 785 million people between 2000 and 2020, but that tells only part of the story.