Radioactive minerals in eggshells can help scientists pinpoint a fossil’s age with stunning accuracy. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic ...

High-resolution study of Jurassic mudstones in China’s Sichuan Basin reveals that astronomical cycles control climate, ...

Dinosaur eggshells, once treated as background scenery in fossil digs, have turned out to be some of the most precise ...