The Trump administration claims to be rooting out “gender ideology extremism” and “restoring biological truth” in the United ...

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

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

When a species reproduces, typically, each parent passes on one of their two versions (alleles) of a given gene to their offspring. But not all alleles play fair in their quest to be passed onto ...

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 ...

Animals that rely exclusively on parthenogenesis to reproduce, like the flowerpot snake, are called obligate parthenogens, ...

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

The lion may be considered the king of the jungle, but this doesn’t mean this predator is invincible. They will go after some ...

The Chhattisgarh Forest Department is preparing to move four disabled leopards and a hyena from Nandanvan Zoo to a newly ...