The human Y chromosome, responsible for determining male sex, has been gradually shrinking over millions of years. This ...

The U.S. has faced declining fertility for nearly five decades, with the natural replacement rate of 2.1 offspring per woman consistently unmet. By 2100, the U.S. fertility rate is projected to drop ...

Some people argue incorrectly that immigration will replace U.S. infertility and leave out the benefits of family structure.

Pregnant New Yorkers will be entitled to at least 20 hours of paid leave to attend prenatal medical appointments under a new ...

New York passed a law in 2023 to require that elections for county executive, county legislator and town board seats be held ...