Dinosaur eggs had the blues. Pigments detected in 66-million-year-old eggs from China suggest that the shells came in intense shades of bluish-green, scientists report online May 15 in PeerJ Preprints ...

The colorful, speckled eggs of modern birds are an innovation inherited from their nonavian dinosaur ancestors. Researchers found no traces of pigment in eggshells belonging to a long-necked ...

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 ...