Fossilized dinosaur eggshells may hold the key to determining when surrounding rocks and fossils were buried. A study published in Nature Communications Earth & Environment reports that uranium-lead ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the ...

For more than a century, dinosaur eggs have offered haunting snapshots of ancient life, from curled embryos to trampled nests. Now scientists say those fragile shells do something even more surprising ...