Add Yahoo as a preferred source to see more of our stories on Google. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic Explorer Lindsay Zanno and her team ...

Add Yahoo as a preferred source to see more of our stories on Google. A paleontologist holds a megalodon fossil tooth. Kristen Grace/FLMNH, CC BY-SA The ratios of strontium isotopes in fossil shark ...

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 ...

The first day of the field season dawns clear and bright, with an already strong sun sliding up from behind Cloud Peak, the highest in the Bighorn Mountains. Down here in the basin it is already warm ...

When paleontologists dig up a fossil from the ground, how do they figure out the age of the piece of history? It’s not as simple as you may think. To discover more about jaw-dropping finds–like the ...

Layers of rock can tell the story of life on Earth, but only if you know when each chapter was written. For many dinosaur sites, that date has been little more than a rough guess. Now, a team of ...

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...