A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the ...

A large international study led by scientists at FIMM, University of Helsinki, shows that many of the molecular differences ...

For the first time ever, scientists have managed to determine the biological sex of an ancient human ancestor that lived in ...

A groundbreaking study reveals that a combination of rapamycin and trametinib extends the lifespan of mice by up to 30%, ...

A new international study has revealed that most protein-level differences between men and women aren't due to genetics alone ...

Tara Dower became the fastest person ever to complete the Appalachian Trail. Her record - 40 days, 18 hours and 6 minutes - ...

Qing Bao and Bao Li, the respective female and male pandas at the National Zoo in Washington, D.C., are flirting! Based on ...

In this protected bubble, "The sperm can be stored there in a viable but functionally suppressed state for anywhere up to ...

An uninfected female is, after all ... "To cure any disease, to perfect any technique in biology, you need to know who the players are, and you need to know how they work." Understanding how ...

In a new study out this week, scientists report that a combination of two existing cancer drugs — rapamycin and trametinib — ...

Longevity is no longer a male-coded tech endeavor. Here's how women are leading the way at the intersection of technology and ...

Ronan, a sea lion, is the only known non-human mammal capable of precise beat-keeping. This unique ability challenges our ...