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 ...

Japan is decades ahead of the rest of the world with an aging and shrinking population. There are some who claim we don’t know what will happen with future populations. However, the next 20 years are ...

Birth rates have dropped faster than life expectancy has increased, causing slower population growth around the world. Forecasts from the United Nations predict that world population will actually ...

Sometimes numbers don’t tell the whole story. The latest state population update might qualify as a case in point. According to the latest U.S. Census Bureau figures, most Massachusetts communities ...