People who live in socioeconomically deprived neighborhoods are about 20% less likely to conceive in any given menstrual cycle

In a pair of world firsts, scientists have 3D printed human testicular cells and identified promising signs of sperm-producing capabilities.

For species that rely on sexual reproduction, offspring can only happen if sperm from the male fertilize eggs from the female.

New U.S. Army-funded research uses gene editing to render certain male mosquitoes infertile and slow the spread of these diseases.