This cloaca is more than 100 million years old, and it did a lot of work for this extinct species. By Katherine J. Wu The world’s oldest known all-purpose orifice sits in a fossil display case ...

Hailey Welch, whose viral “hawk tuah” interview has captivated the internet this week, has reportedly sold thousands of hats bearing the phrase.

A reconstruction of the only fossilised dinosaur cloaca in existence may help illuminate how the prehistoric animals mated. The cloaca is an all-purpose opening on the body of many animals ...

For now, we can relish a glimpse at the dinosaur cloaca, a one-stop-shop of evolutionary engineering that makes our own anatomy seem unnecessarily complicated.

The cloaca is the black, ridged area on the underside of the tail, at the centre of the image A fossil dinosaur originally discovered in northwestern China is so exquisitely preserved that the ...