One of the harsh realities of aging is that body parts begin to sag. Along with all the common areas, like the chin or eyelids, most men will notice that their balls start to sit a little lower than ...

A 43-year-old Panama man was the focus of a recent case report that detailed a rare condition that caused his testicles to swell to an enormous size. The man, who was not identified in the report ...

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 the ...

As with every other body part, testicle size varies from person to person, often with little or no effect on health. Measuring the size of your testes is usually done with an ultrasound. This painless ...

Not all swellings are fluid-related. A spermatocele is a benign cyst that forms in the epididymis and can feel like a lump ...

Nanocontraception is based on the idea that nanoparticles — here, about 100 nanometres in diameter, or roughly one-thousandth the width of a piece of paper or of a strand of a human hair — can somehow ...

The scrotum is a mystery. Why do most male mammals have their reproductive glands so vulnerably located in a sack of skin and muscle outside the body? According to new research, the answer might be ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...