A clutch of 28 dinosaur eggs unearthed in the Qinglongshan fossil reserve in central China has been dated to around 86 million years ago using an “atomic clock” method known as uranium-lead (U-Pb) ...
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 those eggs, when fossilized, could have been preserved for tens of ...
Dinosaur eggs laid 85 million years ago have been accurately dated using a new "atomic clock for fossils" method. The eggs could improve understanding of Earth's climate when dinosaurs roamed the ...
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 ...
A clutch of 28 dinosaur eggs found in the Qinglongshan fossil reserve in central China is about 86 million years old, according to scientists who used an “atomic clock” method to date the samples.
Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated ...
When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...
Artistic reconstruction of a newly hatched troodontid-like dinosaur resting among fragments of its eggshell (loosely based on Mongolian microtroodontid-type). These eggshells, when buried within ...