Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass ...

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 ...

Yet, researchers analyzing 21 craters from the Ordovician period found an unusual pattern: all were located within 30 degrees of the equator. Statistically, such clustering is improbable ...

Scientists from Keele University have found strong evidence that some of Earth’s past mass extinctions could have been caused by nearby supernova explosions—massive star explosions in the Milky Way.

Lomankus edgecombei belonged to the Megacheiran class, a group of arthropods that were abundant during the Cambrian period. However, by the early Ordovician period, Megacheirans were in decline, ...

A video on X of people collecting marine fossils has apparently caused some confusion, as they are collecting their ancient ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. Emma Bernard, a curator of fossil fish at the Museum, ...

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 ...

Groundbreaking research refines China’s Ordovician paleogeography, revealing microcontinents as pivotal players in Earth’s ...

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 ...

Detail images of fossils from the Ordovician Period outcrop on Anticosti Island, Quebec, Canada. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

The fossils that these layers contain are world-famous for the details that they record about life on Earth during the Late Ordovician Period. Besides preserving pieces of Earth's history, limestone ...