Fragments of a partial skull unearthed in a cave in northern Spain have revealed a previously unknown population of ancient ...

All U.S. population growth in 2022-23 happened because of immigration, not births, the first time that’s occurred since 1850, ...

Immigration was the sole driver of the United States' population growth in a single year for the first time since records ...

The fallout from the 22-day strike by state correction officers which ended Monday has put more than 300 people awaiting ...

The Federation for American Immigration Reform estimates that, as of March 2025, there are approximately 18.6 million illegal immigrants living in the U.S.

According to Mayor Sal Panto, recent census data show that for the first time in 50 years, the population is expanding.

An alarming new study shows the overall population of butterflies is declining sharply. NBC News' Maya Eaglin spoke with ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

China will provide childcare subsidies and make preschool education free as it tries to boost the country's declining ...

As Indiana anticipates slow population growth in the coming years, small cities and towns in rural Indiana are pushing ...