The sex eligibility case of champion runner Caster Semenya has been one of the most contentious and most complex that sports ...

A top European court ruled Thursday that the Swiss judiciary did not give double Olympic champion Caster Semenya a fair trial ...

A neglected piece of the Alzheimer's puzzle has been getting increased scientific attention: why women are twice as likely as ...

A top European court Thursday said a Swiss court did not give double Olympic champion Caster Semenya a fair trial in a much-awaited appeals ruling over contested gender testing.

A top European court will decide Thursday whether double Olympic champion Caster Semenya can be required to lower her testosterone levels to compete as a woman, in a key decision ...

Nine thousand years ago, humans began domesticating cats. Nine hundred years ago, before the advent of intentional cat breeding, a genetic mutation gave rise to the first orange cat. Days ago, ...

European judges ruled that Caster Semenya was denied a fair trial over the testosterone rules that ended her Olympic career. But the ruling does not lift the ban that stops her from competing unless ...

This Review describes the mechanisms by which the X chromosome regulates immune responses. The authors discuss how the effects of this chromosome can account for many of the immunological ...