Male guppies are more colorful than females. However, female guppies are typically larger than males, ranging in size from 1.2 to 2.4 inches long. Males range from 0.6 to 1.4 inches long. Guppies are ...

Livebearer fish are some of the most fascinating marine creatures. Instead of laying eggs, they produce fully formed live young. They only make up a tiny percent of fish species globally, but many ...

It is the organ responsible for female orgasms. The clitoris is mostly inside the body. The small fleshy nub at the opening of the vagina splits down into two parts on either side of the vagina.

Niro Feliciano is a mom, author and therapist with a master of science in social work. She’s a TODAY show contributor and author of the TODAY.com column “Is This Normal?” Friendships ...

March 26 (UPI) --President Donald Trump on Wednesday afternoon honored Women's History Month in March, two months after he signed an executive order recognizing only two sexes: male and female.

Ramirez are creating brilliant work that can’t be grouped into the often limiting cis-male/-female category—and that’s something to be celebrated. Why, then, do we persist in specifically ...

World Athletics plans to introduce biological pre-clearance tests for track and field athletes before they can compete in the female category, the sport’s governing body announced Tuesday.

WASHINGTON, D.C. (KAKE) – U.S. Senator Roger Marshall (R-Kansas) introduced the “Defining Male and Female Act of 2025” on Wednesday. In a press release, Marshall says the bill codifies ...

Cristina Roccati graduated from the University of Bologna when few other Italian women earned degrees, and she taught physics for decades Manuela Callari This portrait of Cristina Roccati (left ...

When choosing an essential oil for female arousal, it’s essential to consider the purity and quality of the oil. Some oils may be diluted or contain synthetic fragrances, which can cause ...

World Athletics has approved the introduction of cheek swabbing to determine if an athlete is eligible to compete as a female; body's president Sebastian Coe says decision taken to "doggedly ...

World Athletics will introduce mandatory testing for anyone entering female competitions to verify their biological sex, insisting it is necessary to protect women's sport. It is the latest move ...