A treasure trove of Cambrian fossils has been discovered in southern China, providing a window on marine life shortly after ...

The Moroccan fossils now provide tangible evidence from this mysterious transitional period. What makes these fossils particularly significant is the precision with which they can be dated. The ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...