A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

People are most often assigned male or female at birth based on their external anatomy; some people do not fit into that sex binary and are intersex. Gender describes a person's internal sense of self ...

The Alabama legislation, which passed the Senate Thursday, would create legal definitions of male and female based on the reproductive organs at birth. At least nine other states have already ...

WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More Choosing the right dog for protection roles involves more than ...

In this game, players are given the choice of whether they want to take a female or male lead protagonist as ... 11 The Last of Us Part Two – Ellie Naughty Dog knows how to make a detailed ...

Boat packed with migrants intercepted amid Trump's mass deportation effort These Are the 12 Cheapest Horses to Keep as Pets American Airlines collision with Army helicopter is worst U.S. air ...

Sexologist and sex coach Cam Fraser says, "There is one toy that I most often recommend to [clients]: a stroker or masturbation sleeve, such as the Fleshlight Flight Pilot male masturbator." ...

Among the most impressive physical attributes wild animals bring to bear in their battle for survival is the ability to simply chomp down hard. Not surprisingly, when it comes to what animal has ...

The Kenya National Youth Service (NYS) has announced a nationwide recruitment exercise for male and female volunteers A total of 358 recruitment venues have been designated across various sub-counties ...

Unlike females, who may live over 20 years, male tarantulas have a much shorter lifespan, often less than two years after reaching maturity. Driven by the biological imperative to reproduce, they set ...