Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

There’s a lot of lingo thrown around a livestock event at a county fair: steer, buck, doe, calf, lamb, etc. Is it important to know?

Birds have developed a unique evolutionary solution to ensure the survival of males—a powerful microRNA. This tiny gene ...

A federal judge blocked President Trump’s “two sexes” executive order that banned the gender-neutral X sex marker from U.S. passports.

I'm 87 and work full time. I was rejected from hundreds of companies in my 80s and have a low-paying job, but I love the work. Wife of Minnesota politician shielded daughter from bullets, says ...

Research led by the Max Planck Institute for Empirical Aesthetics has confirmed that female faces are rated as more attractive than male faces across diverse cultures, ethnicities, and regardless ...

The experiments show that changes in iron levels can lead male mammalian embryos to develop female sex characteristics, regardless of their genetics.

If you've got a manual on USB ports or have watched any kind of video, you may have heard them referred to as Male or Female ports. Here's what that means.

Start accepting the fact that you were born either a female or a male and deal with it. Celeste Martin, Canton Township Need a break? Play the USA TODAY Daily Crossword Puzzle.

Sex is messy. It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masc ...

US Navy Navy stops asking personnel about gender identity, makes 'intimate spaces' either male or female Male and female now only sexes recognized by US Navy ...