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 ...

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 ...

It’s hard to imagine that fierce dinosaurs once emerged from small, fragile eggs. And it may be even harder to imagine that some of these eggs, when fossilized, can be preserved for tens of millions ...

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 ...

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 ...