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 ...

America is still growing. But not by much. According to U.S. census estimates released on Jan. 27, population growth has slowed "significantly," with just 1.8 million more people between July 1, 2024, ...

In Wisconsin and nationwide, population growth slowed in 2025 amid a significant decline in international migration.

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.

Ungulate migration has fascinated people for millennia. In the Western United States, ungulates such as elk, bison and mule ...

The global population landscape is set to experience a significant shift, as some countries grapple with dramatic declines while others anticipate major growth. New analysis from the World Population ...

As the 2030 Census approaches, the Census Bureau’s 2025 vintage estimates showed that Massachusetts’s population growth has slowed in the last year.

From big talk about annexing sovereign nations to myriad spitballed ideas to encourage birth rates, increasing the population of the USA has evidently been a high priority for the second Trump ...

ST. LOUIS — A growing number of civic and business groups are highlighting the St. Louis metropolitan area’s stagnant population as an urgent problem, and they’re pushing the region’s planning ...

Researchers from the Michigan Department of Natural Resources, Keweenaw Bay Indian Community and Northern Michigan University are preparing to capture up to 43 moose this month for the second phase of ...

Texas cities continue to see major population growth, as a number of factors make the state desirable for entrepreneurs as well as large companies. Over the past year, three Central Texas cities had ...