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

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 ...

Fossils can reveal traces of an ancient world, but their exact age is not always easy to discern. Palaeontologists have traditionally relied on a range of methods to date fossil sites, some more ...

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

Hands wearing knitted gloves hold a small drill in one hand and a rubber bulb in the other. The instruments are poised over a fossilized dinosaur egg. A researcher takes a sample from a dinosaur egg ...