Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of marine ...

The biggest mass extinction of all time happened 251 million years ago, at the Permian-Triassic boundary. Virtually all of life was wiped out, but the pattern of how life was killed off on land ...

A section of rock from the Permian-Triassic boundary taken in Hubei Province in southern China. (© Peter Roopnarine) ...

The Permian-Triassic mass extinction was caused by volcanic eruptions in what is now the Siberian Traps, releasing 100,000 billion metric tons of carbon dioxide into the atmosphere over a million ...

Some 252 million years ago, almost all life on Earth disappeared. Known as the Permian–Triassic mass extinction – or the Great Dying – this was the most catastrophic of the five mass ...

Paleogeography during the Permian-Triassic boundary extinction 252 million years ago. Credit: Thomas Algeo The deadliest mass extinction of all took a long time to kill 90 percent of Earth’s ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...

About 250 million years ago, the Permian-Triassic mass extinction killed over 80 per cent of the planet's species. In the aftermath, scientists believe that life on earth was dominated by simple ...

It comes from the time of the worst mass extinction in Earth’s history—252 million years ago, at the end of the Permian period when an apocalyptic cascade of volcanic eruptions may have turned ...

Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer. (CREDIT: Dippiljemmy / CC BY-SA 4.0) ...