A right-wing party in New Zealand is pushing a bill that would legally define “men” and “women” according to biological sex.

That's because sex — and gender roles, too —permeates all the way down to the most unreproductive of cell types. If you want to do science about animals including humans, sex as a biological variable ...

An Illinois high school association has announced it will ignore an executive order from President Trump that bars biological ...

USCIS has updated its policy, effective April 2nd, to recognize only male and female biological sexes, aligning with President Trump's 2025 executive ...

Utah, West Virginia, and Wyoming recently passed laws aligning with recent executive orders issued by President Donald Trump defining sex as ...

The United Kingdom’s highest court ruled that the legal definition of “woman” excludes trans women, in a case with sweeping ...

USA Fencing has said that it stands for “inclusion” and “fair competition,” but if it is disqualifying a female athlete at a ...

In theory, the Supreme Court ruling means that trans women would no longer be able to access women’s only refuges when ...