A set of fossilized footprints discovered in northern Arizona has revealed the silent journey of a prehistoric arachnid that ...

Archaeologists in China have dated dinosaur eggs for the first time, revealing the age of the ancient fossils, according to a new study published in Frontiers in Earth Science. A research team, led by ...

At a certain point in Earth’s distant past, the planet’s assortment of organic molecules and compounds aligned to create the ...

Using uranium-lead dating, researchers calculated the age of the eggs, rather than the sediments around them, at the Qinglongshan site in China ...

Chemical fossils are remnants of biomolecules from organisms long extinct but preserved in sediment over hundreds of millions of years.