When paleontologists in China cracked open a set of cannonball sized dinosaur eggs, they did not find bones or embryos. Instead, they uncovered glittering mineral structures, crystal chambers that had ...

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 ...

A remarkably well-preserved dinosaur embryo, unearthed from a fossilized egg in southern China, is offering scientists an extraordinary window into the evolutionary origins of bird-like behavior.