Many people who recover from COVID-19 experience long-term symptoms, such as brain fog or heart problems. Increasing evidence suggests that the virus can also impair fertility. Now, researchers ...

Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

A three-year study of giant pandas reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well. According to the authors, this new understanding of the ...

Men whose mothers were exposed to stressful life events while they were in the first 18 weeks of pregnancy may have reduced sperm counts when they become adults, according to a new study. Men whose ...

Is the world in the midst of a male fertility crisis? Or are we overstating the problem? Here's everything you need to know: How has male fertility declined? Human sperm count has fallen by over 50 ...