New findings indicate that reimplanted childhood testicular tissue can produce sperm in adulthood, supporting experimental fertility preservation strategies.

Testicle damage lasted for years after participants quit steroids. Misusing steroids may lead to shrinking testicles and an increased risk of prostate cancer. Professional athletes aren't the only ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A pair of tiny artificial testicles have been created in a lab, which ...

In a remarkable medical advancement from Belgium, scientists have successfully rejuvenated sperm production in a man by ...

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Testicular cancer is rare but highly treatable, with a five-year survival rate over 95%, especially when confined to one testicle. Metastatic testicular cancer treatment with cisplatin-based ...