The Supreme Court on Tuesday will hear a case that could affect laws in 27 states that bar transgender athletes from joining ...

Scientists have identified a protein that may be key to proper sperm formation. Without it, male mice produced no viable sperm, they found. A team at the RIKEN Center for Biosystems Dynamics Research ...

U.S. Army drill sergeants encourage a trainee on the first day of Basic Combat Training at Fort Jackson, South Carolina. (Spc. Darius Davis/U.S. Army). Female drill sergeants will soon trade their ...

Medical experts seemingly think it may not be possible for man to sleep with over 1000 people in 24 hours. "It's finally happening," Von wrote alongside a TikTok of him with some men behind him.

For trans guys, getting a d*ck can be one of the most exciting parts of transition. Starting on T and getting some bottom growth is nice, but for guys looking to go whole hog, getting a phalloplasty ...

Defense Secretary Pete Hegseth in an address Tuesday to the military’s top leaders waded back into a topic that nearly derailed his confirmation early this year and helped elevate his voice as a Fox ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study by the Max ...

This story was featured in The Must Read, a newsletter in which our editors recommend one can’t-miss story every weekday. Sign up here to get it in your inbox. On a warm evening in May of 2024, Bryan ...

Elise Huchard receives funding from CNRS and the French Agence Nationale pour la Recherche (ANR). Nikos Smit does not work for, consult, own shares in or receive funding from any company or ...

Jen Pawol continues to make history as a female baseball umpire. Pawol is scheduled to be behind the plate for the Braves and Marlins series finale on Sunday, Aug. 10 at Truist Park in Atlanta. She ...

Cosmetic surgery is finally out of the closet, turning actors into evangelists and top doctors into superstars, yet there's still a very common procedure that nobody wants to talk about. By James ...