It has also become a big driver in the number of older single mothers in the U.S. at a time when the country's overall birth ...

Administration officials have been urging Americans to get married and procreate, but some conservatives are frustrated by a ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Infertility is a major healthcare concern. Understanding the molecular regulators governing fertilization, early embryonic ...