A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass extinction actually happen? Three studies published across Nature, Science ...

Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world to one teeming with animal life, as nearly all major animal phyla appeared ...

The special exhibition "Great Extinction Exhibition" was held at the Osaka Museum of Natural History from July 17 to October ...

The Ordovician Period followed the Cambrian and it is recognized as a separate time interval because of differences in the kinds of animals found in each. As we saw in Chapter 3, the Cambrian came to ...

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs were the last to feel the burn, 66 million years ago, but there have been ...

New uranium-lead dating of zircons from Oklahoma’s buried Ames impact structure points to a Late Devonian age near 370 million years, roughly 100 million years younger than its traditional Ordovician ...

"This Springer imprint is published by Springer Nature"--Versos of title pages. Volume 1 Precambrian and Paleozoic : 1. The conceptual and methodological tools of ichnology / Nicholas J. Minter, Luis ...

A video from the Chinese Academy of Sciences about the 512-million-year-old Huayuan Biota fossils that survived a major mass extinction. These marine animals survived a mass extinction 513 million ...

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world to one teeming with animal life, as nearly all major animal phyla appeared ...