Scientists might have figured out why women live longer than men — linking it to having two X chromosomes, which defend ...

Hallett, a producer of 'Three Identical Strangers,' directs this similarly themed account of destructive social experiments ...

Sex classification in sports has long been framed as a biological issue, but its enforcement through Differences in Sexual ...

On Earth, our bones and muscles stay strong because they constantly work against gravity. In space, where there is little to ...