Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

An asteroid strike 66 million years ago triggered the Cretaceous-Paleogene extinction, which wiped out the dinosaurs, along with about three-quarters of the Earth’s animal species. A new Yale ...

Earth’s long history has seen an uncountable number of species come and go – but one of the most famous extinction events we know of is the one related to the dinosaurs. This event occurred across the ...

The researchers began to suspect changes in geology was somehow related to the mass extinction of dinosaurs - called the Cretaceous-Paleogene, or K-Pg, mass extinction. They started to examine what ...

A remarkably well-preserved dinosaur fossil has arrived at the Smithsonian’s National Museum of National History. According ...

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

"Specifically, the impact of their extinction may not just be observable by the disappearance of their fossils in the rock record, but also by changes in the sediments themselves." Dr. Weaver says the ...