The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

Researchers in China achieved a milestone by directly dating a fossilized dinosaur egg at 85.9 million years old, marking a first in paleontology. Using carbonate uranium-lead (U-Pb) dating, ...

Learn more about the hidden molecules uncovered in animal fossils from an ancient human site, and the new view they give us ...

These radioactive elements decay at known rates, effectively acting as a built-in clock that reveals precisely when the eggs were buried millions of years ago. This natural timekeeping mechanism has ...