The latest Census Bureau figures reveal changes that Pennsylvania officials, employers and communities are watching closely.

Falling birth rates reveal a deeper social problem: many people who want children feel blocked by economic, housing, gender, ...

New research from the University of St. Andrews has shown that higher extinction risk is associated with a higher frequency of decreasing local prevalence of species, in an analysis of one of the most ...

U.S. fertility rates have hit historic lows, but three common measures tell different stories about whether American families ...

And some Americans think the good and bad will even out. The shares who say this range from about a quarter to about three-in ...

A team of Burmese python hunters caught a record breaking 8,000 pounds in snake this season. Meet the man leading the crusade ...

Some mathematicians have predicted when humanity’s downfall might occur—though the circumstances are unspecified ...

On Sunday, Switzerland will vote on whether to cap its population. The implications for Swiss society and its economy could be huge.

The homeowner called Snake Catcher Dan to remove the coastal carpet python from her bathroom, where the snake ended up after spending the night in the home Kelli Bender is the Pets Editor at PEOPLE.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Snake Catcher Dan A homeowner in Nambour, Australia, got the kind of surprise few people would ever forget. She was ...

For thousands of years, human population growth occurred so slowly that there wasn’t even a noticeable curvature in the graph of humanity’s civilization. Villages became towns. A harvest fed another ...