# Smithsonian Magazine: Paleontologists Directly Date Dinosaur Eggs for the First Time

**URL:** <https://explore.ncfossilclub.org/t/smithsonian-magazine-paleontologists-directly-date-dinosaur-eggs-for-the-first-time/79>\
**Category:** Fossil Finds\
**Tags:** dinosaur-eggs, dinosaur\
**Created:** [October 5, 2025, 8:05pm UTC](https://explore.ncfossilclub.org/t/smithsonian-magazine-paleontologists-directly-date-dinosaur-eggs-for-the-first-time/79 "2025-10-05T20:05:23Z")\
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**Post date:** [October 5, 2025, 8:05pm UTC](https://explore.ncfossilclub.org/t/smithsonian-magazine-paleontologists-directly-date-dinosaur-eggs-for-the-first-time/79/1 "2025-10-05T20:05:23Z")

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From the Smithsonian Magazine: Paleontologists Directly Date Dinosaur Eggs for the First Time, Shedding Light on the Cretaceous World 85 Million Years Ago  
Using uranium-lead dating, researchers calculated the age of the eggs, rather than the sediments around them, at the Qinglongshan site in China

[https://www.smithsonianmag.com/smart-news/paleontologists-directly-date-dinosaur-eggs-for-the-first-time-shedding-light-on-the-cretaceous-world-85-million-years-ago-180987332/](https://www.smithsonianmag.com/smart-news/paleontologists-directly-date-dinosaur-eggs-for-the-first-time-shedding-light-on-the-cretaceous-world-85-million-years-ago-180987332/)