About 250 million years ago, at the end of the Permian period ... identify the killer responsible for the largest of the many mass extinctions that have struck the planet. The most famous die ...

There have been at least five mass extinctions, and maybe many more, but the fossil record is unclear. The two biggest extinctions were at the end of the Permian Period, about 250 million years ...

Known as the Great Dying, the mass extinction that ended the Permian geological period was the worst of the five global ...

Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...

The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the invertebrates this period is known for. Some scientists hypothesize the extinction ...

Fossils from southern China provide evidence for a mass extinction during middle Permian time, 260 million years ago. The close association of this event with an outpouring of lava, initially into ...

It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs were wiped out in a mass extinction ... period of time before the Triassic was called the Permian.

The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the invertebrates this period is known for. Some scientists hypothesize the extinction ...

The end of the Permian Period (252 million years ago) saw yet another mass extinction event, wiping out around 96% of all marine life. But a handful of shark lineages persisted. By the Early Jurassic ...