A massive trove of global fossil data has revealed variations in how elasmobranch species – sharks, skates, and rays – recovered after the Cretaceous-Paleogene (K-Pg) mass extinction event. Among the ...

While dinosaurs were wiped out when a massive asteroid struck Earth, ammonites survived the massive explosion, only to ...

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 ...

It's been 66 million years since dinosaurs roamed the Earth, and many may blame an asteroid's explosive collision with our planet for the end of the creatures' reign. But for years, scientists have ...

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, allowing the rise of mammals and leaving birds as their only living descendants.

Sharks have roamed the Earth's oceans for more than 400 million years. In the process, the animals have survived five mass extinction events, including the one that wiped out the dinosaurs. This ...

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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 ...

Cretaceous-tertiary cloud chamber / Niles Eldredge -- Palynological change across the Cretaceous-Tertiary boundary on Seymour Island, Antarctica : environmental and depositional factors / Rosemary A.

Determining what killed the dinosaurs 66 million years ago at the end of the Cretaceous Period has long been the topic of debate, as scientists set out to determine what caused the five mass ...