The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and ...

For centuries, we have marveled at the prints left by animals who existed thousands of years ago. But one enduring mystery ...

Fossilization favors larger, protein-rich animals because they create oxygen-poor conditions that slow decay, helping explain gaps in the fossil record and the dominance of arthropods in ancient ...

Although fossilization affects only a small fraction of the organisms that have ever lived, there are well-documented conditions that foster the process. Thanks to Efremov's founding of the ...