Despite the huge number of dinosaur fossils found, from bones to feathers, precious little exists in the fossil record to explain dinosaur defecation, urination, or copulation. Thankfully, all three ...

Scientists have discovered how dinosaurs peed, pooed and had sex thanks to a 130 million year old fossil. The findings from the fossil found in Liaoning, China over 20 years ago were detailed in a ...

Jan. 19 (UPI) --For the first time, scientists have described the cloaca, or vent, of a dinosaur -- the all-purpose opening used for reproduction and waste disposal. Many mammals have distinct ...

No one predicted that January 2021 would be a banner month for dinosaur news. Last week an article in the scholarly journal Cretaceous Research revealed that dinosaur bones in Argentina may have ...

For the first time ever, scientists take a closer look at the dinosaur's cloaca that was used to expel waste and, potentially, attract a mate. Journalist Bonnie Burton writes about movies, TV shows, ...

Dinosaur bones have told scientists a lot about how the ancient animals lived, hunted, and died, but reproduction has remained largely a mystery. A new fossil from China provides such an incredibly ...

Whatever happened to the duck-billed dinosaur, it was a real pain in the butt. Many of the spines sitting atop the animal’s tail vertebrae had been fractured. The dinosaur, known as Olorotitan to ...

Paleontologists have discovered the oldest belly button known to science in the fossil remains of a parrot-beaked dinosaur found in China. In the research, scientists from the Chinese University of ...

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 – including ...

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 in the ...

Scientists have discovered how dinosaurs peed, pooed, and had sex for the first time, thanks to 130 million-year-old Chinese fossil. A study published in Current Biology detailed their findings on the ...