Backed by a National Science Foundation grant of more than $500,000, Pfeifer, the lead principal investigator, and a team of ...

For hundreds and thousands of years, Earth has endured cataclysmic events that have molded life on our planet. While the asteroid impact that wiped out the dinosaurs 66 million years ago is well-known ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

The Devonian Period, spanning approximately 419–359 million years ago, represents a pivotal phase in South America’s deep-time history. Fossiliferous formations across the continent—particularly ...

The Earth has experienced five major mass extinctions, beginning with the Ordovician period about 443 million years ago, and continuing through the Devonian, Permian, Triassic, and Cretaceous periods ...

pt. 1. Articles of a general nature. Phanerozoic marine biodiversity : a fresh look at data, methods, patterns and processes / Martin Aberhan and Wolfgang Kiessling ; Coordinated stasis reconsidered : ...