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 ...

A new Mathematical Model traces 12,000 years of population growth and warns how fast Earth's limits could reshape human life.

Global population growth may be more sensitive to environmental and societal pressures," Alessio Zaccone told Newsweek.

Right now, human population growth is doing something long thought impossible—it's wavering. It's now possible global population could peak much earlier than expected, topping 10 billion in the 2060s.

Immigration crackdowns may be slowing U.S. population growth and reshaping the economy, says Luke Pardue, policy director at the Aspen Institute Economic Strategy Group. The Trump administration's ...