Testicles, also called testes or balls, are oval-shaped organs that sit in a sac that hangs behind the penis. The main job of testicles is to make sperm and produce testosterone. Testosterone is ...

Are you getting enough sleep? You are however bound to miss out on crucial parenting information such as information about undescended testicles. As a baby boy grows inside the mother’s womb ...

Testicle sizes vary widely. Smaller testicles are not usually a problem. However, small testicles can sometimes indicate a health condition. As well as length, health professionals sometimes ...

Researchers at Israel's Bar-Ilan University have grown "laboratory testicles" they hope could eventually ease male infertility, which affects 10% to 15% of American men. Getty Stock Image This is ...