After more than 60 years of genetic guessing, scientists have finally cracked the code behind what makes orange cats so… ...

These sexes are not changeable and are grounded in fundamental and incontrovertible reality,' the Ohio House of ...

The U.K. Supreme Court ruled Wednesday that a woman is someone born biologically female, excluding transgender people from the legal ...

Gender identity refers to how a person identifies. “The spectrum runs from male to female with non-binary, gender fluid, gender non-conforming, and other non-binary identities in between—these depend ...

Many bird species are monogamous. However, genetic studies have shown that the social partner is often not the genetic father of all offspring. Some studies found biased sex ratios: more males than ...

The Montana Legislature has passed a bill that aims to clearly define the sex of an individual as only male or female based on their biology.