Add Yahoo as a preferred source to see more of our stories on Google. An Olorotitan dinosaur fossil with fractured tail vertebrae has resurrected a theory around how dinosaurs mated. Stocktrek Images, ...

“The earliest human fossils don’t turn up until long after the dinosaurs and there are no mixed remains.” When studying human origins, “you don’t see the first ancestral humans until about 2.2 million ...

Add Yahoo as a preferred source to see more of our stories on Google. Examples of hadrosaur vertebrae with healing fractures suggest an external force pressed on top of them. - Filippo ...

An Olorotitan dinosaur fossil with fractured tail vertebrae has resurrected a theory around how dinosaurs mated. Stocktrek Images, Alamy Whatever happened to the duck-billed dinosaur, it was a real ...

Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

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 ...