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 protected species has reached its highest recorded population level in decades, marking an important conservation milestone ...

Australia’s population has reached a new milestone with one state leading the surge amid looming record-low birth rate ...

Population growth in midsize cities held relatively steady last year, even as the national rate slowed.

Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

Census estimates show Chicago retained its position as the nation’s third most populous city, after New York and Los Angeles, ...

Nearly half of the biggest US cities reported fewer residents after COVID. By 2024, many had begun adding residents again.

Add Yahoo as a preferred source to see more of our stories on Google. People walk on the Bahnhofstrasse shopping street in Zurich, Switzerland, December 3, 2022. REUTERS/Arnd Wiegmann/File Photo ...

While global population growth is projected to slow over the rest of the century, Africa stands out for its relatively young and growing population.

Experts say the Colorado economy could take a hit as the state’s population growth continues on a decade-long decline.

The city lost more than 65,000 residents during the pandemic, but Chicago’s population has increased steadily since then.