Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...

The Ordovician and Late Devonian extinctions, occurring 445 and 372 million years ago respectively, are the focus of this study. The study, published in Monthly Notices of the Royal Astronomical ...

A new study led by astrophysicist Alexis Quintana from the University of Alicante suggests that supernovae—the violent deaths ...

Amateurs, too, can look at local rocks to learn about what life was like in the Ordovician Period, 505 to 438 million years ago. Some of our area's unique geological features and the processes that ...

Palaeontologist Sarah Gabbott explains what’s so unusual about her discovery, which she named as part of the process of describing it scientifically. The fossil is about 50cm long and has 46 almost ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. “Shark-like scales from the Late Ordovician have been ...

Fast forward some 73 million years to the end of the next geologic period (the Ordovician), and life meets its first bust. The first of five (or possibly six) mass extinctions in Earth history ...

Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite bombardment known as the Ordovician impact spike. This finding ...

But first there was a period of biological regrouping following the disastrous climax to the Ordovician. The recovery soon got under way in the oceans as climbing temperatures and rising sea ...

A variety of fossilized plant spores have been found in rocks from Western Australia that date from the early Ordovician era—approximately 480 million years ago. According to a paper published in ...

We study trilobites from four periods of the Palaeozoic: the Cambrian, Ordovician, Silurian and Devonian. Our research covers trilobite taxonomy, phylogeny, functional morphology, biogeography, and ...