Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

About 250 million years ago, at the end of the Permian period ... "That's your Permo-Triassic transition zone. Brace yourself, you're about to go through the extinction." The fossils embedded ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

The Permian-Triassic extinction, also known as the Great Dying, was the most devastating event in Earth’s history. 96% of marine life and 70% of terrestrial vertebrates vanished around 252 ...

However, the Cretaceous–Paleogene extinction event was not the worst loss of life in our planet’s history. That distinction belongs to the Permian-Triassic extinction or the Great Dying.

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

Broader examination of Triassic ecosystems also indicates ... unstable resource availability on land. The end-Permian mass extinction event, 252 million years ago, was the largest ever, marked ...

A new study reveals that a region in China’s Turpan-Hami Basin served as a refugium, or “Life oasis” for terrestrial plants ...

Broader examination of Triassic ecosystems also indicates ... unstable resource availability on land. The end-Permian mass extinction event, 252 million years ago, was the largest ever, marked ...

The Early Permian dissorophid Cacops displays its fearsome dentition ... Of all the animals facing a major mass extinction event 252 million years ago, it is perhaps appropriate that frog-like ...