A grapefruit-sized dinosaur egg from a fossil bed in China gave paleontologists a huge surprise. Rather than a dinosaur embryo or sediment, it was filled with sparkling crystals of calcite lining the ...

Add Yahoo as a preferred source to see more of our stories on Google. A mineral collected 140 years ago turned out to have surprise inside of it from one of the largest dinosaurs to ever exist. In ...

Scientists reveal how oviraptor dinosaurs used sunlight and body heat to hatch eggs and why their nesting method differs from ...

It was in egg-cellent condition. Argentine paleontologists found a real diamond in the rough after happening across a perfectly preserved 70 million-year-old dinosaur egg during an excavation. “It was ...

Seventy million years ago, a feathered, flightless dinosaur known as an oviraptor squatted over a carefully arranged ring of ...

Debates about what dinosaurs look like have been raging for decades, and the appearance of their eggs is equally contested. Although the fossil record can provide paleontologists with clear clues ...

Researchers collected and vaporized samples from fossilized eggshells in China's Qinglongshan fossil reserve. They calculated how old the eggs were by measuring accumulated lead and uranium atoms in ...

The discovery of several exceptionally preserved reproduction-related dinosaur specimens over the last three decades has improved our knowledge of dinosaur reproductive biology. Nevertheless, due to ...