It may sound surprising, but groups of hyenas will sometimes take on animals much larger than themselves, even lions.

Determining the sex of ancient skeletons is a complex process for archaeologists, relying on bone measurements, pubic bone ...

A new UW-led study examined why a minority of female white-necked jacobin hummingbirds mimic the colorful plumage of males.

Light helps us wake up, keeps us alert, and guides our sleep. But what happens when light becomes erratic? As a researcher ...

New AI technology reveals subtle brain differences between sexes meaning behind these variations challenges common stereotype ...

Archaeologists can estimate a person's sex with 95% accuracy, but many experts are focused on what can be learned about ...

Bonobos, which are among our closest living relatives, live in rare societies where females tend to outrank males, even ...

Female bonobos find strength in numbers, teaming up to fend off males in the wild, a new study has found. Three decades of observations in Congo — the only place the endangered bonobos are ...

A gender studies expert explains why the Trump administration’s claim that everyone is male or female defies science and ...

Harvard researchers described the phenomenon as one of the rare examples of females coming out on top in the animal kingdom.

The Duchess of Sussex has suffered another blow this week after her new podcast Confessions of a Female Founder fails to chart. Meghan Markle's new Lemonada podcast - a follow-up to Archetypes ...