Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience ...

Putting an end to a mass extinction sounds like an impossible task, but some researchers argue that doing so would be setting ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience ...

When they reach a point where large numbers of species that had been abundant in the earlier fossil record become scarce, they’ve found an extinction event. The big five extinctions all wiped ...

View Full Profile. Learn about our Editorial Policies. Most scientists agree that five events in Earth’s history qualify as “mass extinctions”—defined as events where more than three-quarters of ...

While the causes of the “big five” mass extinctions varied, understanding what happened during these dramatic chapters in Earth’s history — and what emerged in the aftermath of these ...

These events are known as the Big Five mass extinctions, and all signs suggest we are now on the precipice of a sixth. The new study that's generated so much conversation estimates that as many as ...

The first of the Big Five mass extinctions transpired about 445 million years ago, marking the boundary between the Ordovician and Silurian periods back when fish and land plants were still ...

which was one of the key drivers of the Late Devonian mass-extinction event—one of the “Big Five” mass extinctions, the worst there ever were. Extinction studies is a relatively young field ...