“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the potential to serve as a reliable geochronometer in Mesozoic and Cenozoic ...

A newly discovered species of Spinosaurus is shaking up our understanding of this iconic dinosaur that roamed what is now Niger about 95 million years ago. With its striking scimitar-shaped head crest ...