A single gene in the shorebird species known as ruffs controls the levels of testosterone in males, and this in turn affects ...

Alabama and other Republican-led states push to enact more laws this year to legally define two sexes based on observations ...

President Trump issued an executive order declaring that the U.S. government would only recognize a person’s sex assigned at ...

Just like in “When Harry Met Sally”, the answer isn’t so simple for Kinda baboons, which form long-term friendships between the sexes.

WASHINGTON — President Donald Trump on his first day in office Monday issued an order defining a person’s sex as “male or female” — requiring government agencies to use the “immutable ...

During his inaugural address, Donald Trump said the United States would adopt an official policy of recognizing only two genders, male and female. Trump accused the government of "trying to ...

"As of today, it will henceforth be the official policy of the United States government that there are only two genders - male and female," Trump said. The decision puts an end to all official ...

Indeed, Trump promised during his campaign to "end left-wing gender insanity," and reiterated in his inaugural speech (embedded below) his intention to define gender as male or female. The day of ...

Sex' shall refer to an individual’s immutable biological classification as either male or female," Trump's executive order declares. "'Female' means a person belonging, at conception ...