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.