CHESTERFIELD, Mo. – Fireflies have been a nostalgic symbol of summer for many generations, but like many insects, their population numbers are decreasing. That’s why the Butterfly House is ...

Elon Musk makes another population collapse warning, this time also has a request: People who have kids needs to … ...

Elon Musk warns of a looming population crisis linked to declining birth rates, connecting it to historical civilizational collapses. He urges families to have more children, as global fertility ...

Elon Musk calls for parents to have three children each to combat declining birth rates, warning that civilization could face collapse.

Texas is growing older faster than the rest of the nation, but the number of children in the state has grown while the country’s population of young people has shrunk.

Population Trends: Karnataka sees unusually high voter ratios in 24 districts, raising concerns over declining fertility rates and fewer child births.

Recently, functional magnetic resonance imaging (fMRI)-based brain networks have been shown to be an effective diagnostic tool with great potential for accurately detecting autism spectrum disorders ...

As the local homeless population increases, she worries that pending state and federal policy changes will drastically cut the funding and resources that she and other leaders use to house ...

As other endangered Australian wildlife, the mountain pygmy possum has recovered to its pre-wildfire population in the Snowy Mountains. While conservationists are to be applauded for the turn ...

Human populations need at least 2.7 children per woman – a much higher fertility rate than previously believed – to reliably avoid long-term extinction, according to a new study published April 30, ...

While a fertility rate of 2.1 children per woman is often considered the replacement level needed to sustain a population, this figure doesn’t account for random differences in how many children ...