From the beginning of the Ordovician, marine life began its great radiation, which was characterized by the rapid appearance of new orders, families, and genera, together with the replacement of ...

🛍️ The best Cyber Monday deals you can shop right now (updating) 🛍️ By Laura Baisas Published May 2, 2023 1:00 PM EDT Get the Popular Science daily ...

This column is part of a series where Verge staffers post highly subjective reviews of animals. Up until now, we’ve written about animals without telling you whether they suck or rule. We are now ...

Marine fossil specimens unearthed in northern Portugal are filling a gap in understanding evolution during the Middle Ordovician period. A clutch of marine fossil specimens unearthed in northern ...

Fossils from 465 million years ago recently discovered in Portugal have revealed the huge size reached by trilobites, the most diverse group of extinct marine arthropods. Geologists describe the ...

The ctenonotellid ostracode species Brezelina palmata (Krause, 1889) and the tetradellid species Ogmoopsis bocki (Öpik, 1935) are represented by seven and five molting stages, respectively. Both ...

Gabe Allen is a Colorado-based freelance journalist focused on science and the environment. He is a 2023 reporting fellow with the Pulitzer Center and a current master's student at the University of ...

The end-Ordovician was an enigmatic interval in the Phanerozoic, known for massive glaciation potentially at elevated CO 2 levels, biogeochemical cycle disruptions recorded as large isotope anomalies ...

Over half a billion years ago, during the Cambrian geological period, life on Earth started to get a lot more interesting. Thanks to the rise in free oxygen generated mostly by photosynthesizing algae ...

Two amateur paleontologists have uncovered an important fossil site in southern France. The site contains around 400 fossils from around 470 million years ago. Scientists from the University of ...