The desire to define who counts as a woman for the purpose of sports dates back to Hitler’s Olympics. On the night of Aug. 4, ...

Sex confirmation testing results for Olympic gold medalist Imane Khelif, an Algerian who has racked up numerous medals ...

To Shakespeare's Hamlet, we humans are "the paragon of animals." But recent advances in genetics are suggesting that humans ...

The governing body for boxing apologized to the Algerian gold medalist after announcing a new gender eligibility policy.

A study initiated by a University of Arizona Comprehensive Cancer Center physician-scientist defined for the first time how ...

When cancer cells in male patients and immune cells in their tumors both lose the Y chromosome, those patients tend to ...

A team of chemists at the University of Cambridge has developed a powerful new method for adding single carbon atoms to ...

Boxing Champion Imane Khelif is back in the spotlight as leaked lab results show presence of XY chromosomes, showing ...

World Boxing says Algerian boxer Imane Khelif, who won gold at Paris Olympics, won't be allowed to compete until she ...