Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs ...

When the nonsectarian Dolma Ling Nunnery transitioned to female leadership earlier this year, for the first time in its three ...

Editor’s note: This story is part of As Equals, CNN’s ongoing series on gender inequality. For information about how the series is funded and more, check out our FAQs. Fatima was sat on the floor of a ...

In a mountain forest of southeastern China, a 1-foot-long creature with a “collar” moved along the ground. Its “secretive” nature helped it go largely unnoticed — until some keen-eyed scientists found ...