There’s another form of fossil evidence that has taught us about dinosaur sex: soft tissue fossils of their genitalia. Or, to be specific, really just one so far: a remarkable fossil Psittacosaurus ...
Paleontologists have unearthed the 30,000-year-old fossilized remains of what may be the smallest cat ever known to have existed. The fossilized lower jaw fragment was unearthed within the Hualongdong ...