Dinosaur eggs sometimes hold surprises. In eastern China, two fossil eggs were found in red sandstone layers and later cut open for study. Instead of tiny bones inside, researchers saw hollow spaces ...

A clutch of 28 dinosaur eggs found in the Qinglongshan fossil reserve in central China is about 86 million years old, according to scientists who used an “atomic clock” method to date the samples.

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...

Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated ...

Dinosaurs hatched eggs less efficiently than modern birds, according to new research. The study suggests that – unlike modern birds – the now extinct reptiles may have used the sun’s warmth to help ...

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...

An experiment to test how dinosaurs might have hatched eggs. (Chun-Yu Su via SWNS) By Stephen Beech Dinosaurs hatched eggs less efficiently than modern birds, according to new research. The study ...