The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

“This mass extinction event in the Ordovician, this happened hundreds of millions of years before the first dinosaurs ever evolved,” said David Wright, an assistant curator at the Sam Noble Museu ...

The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

Earth saw its first mass extinction event. This was the Ordovician-Silurian extinction. And a majority of the life that had been spreading around the planet vanished. Many of these lifeforms laid the ...

As one of the coldest periods in Earth's history, the Hirnantian Icehouse played a crucial role in the second-largest mass extinction in Earth's history, known as the Late Ordovician Mass Extinction, ...

Let’s start with a clear definition of what constitutes a mass extinction. Unlike regular extinctions, which occur at a steady background rate — about 10% of species lost every million years — mass ...

The Ordovician period witnessed an explosion of biodiversity ... University of Cologne has provided insights into the origins of the asteroid that caused the extinction of the dinosaurs about 66 ...

In the past 500 million years on Earth, there have been five mass extinctions. Here are a few incredible species that managed ...

Inferring the extinction risk of marine fish to inform global conservation priorities. PLOS Biology , 2024; 22 (8): e3002773 DOI: 10.1371/journal.pbio.3002773 Cite This Page : ...