Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded ...

A Swiss population cap of 10 million risks curbing economic output by as much as 12% through the end of the century, ...

Researchers have uncovered a critical link between rising temperatures and declines in a species' population, shedding new light on how global warming threatens natural ecosystems. The study revealed ...

While global population growth is projected to slow over the rest of the century, Africa stands out for its relatively young ...

Genetics is the study of heredity, specifically the mechanisms by which traits or characteristics are transmitted from one generation to the next. Because it is applicable to many areas of human life, ...

A new study evaluating the conservation status of 71,000 animal species has shown a huge disparity between “winners” and “losers.” Globally, 48% of species are decreasing, 49% remain stable, and just ...