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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected evolutionary survival traits. Night lizards (family Xantusiidae) survived the ...

Alamosaurus was one of the last dinosaurs from southern North American. Paleontologists have recently dated the rock formation from where it was found in New Mexico to around 340,000 years before the ...

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

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 ...

WACO, Texas — A new study published on Thursday, co-authored by researchers from Baylor University, New Mexico State University, the Smithsonian Institution and several international collaborators, ...

Since the beginning of time, Earth has created life and then wiped out most of it in catastrophic, ultra-destructive moments. Starting with the very first extinction event since multicellular life ...

Cover; Title; Copyright; Index; Introduction; Eustasy; Milankovitch cycles; The breakup of Gondwana; Vicariance; The terminal Cretaceous extinction event; Regional ...