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

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

(Image Credit: Tami Freed/Shutterstock) While trilobites, like the ones pictured here, survived for millions of years, they did not survive the "Great Dying." However, clams took over the oceans in ...

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

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

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

For millions of years after the end-Permian mass extinction, the same few marine survivor species show up as fossils all over the planet. A new study reveals what drove this global biological ...

During the end-Permian mass extinction––also called the Great Dying–80 percent of marine species were wiped out. While most species on land did not fare much better, the scope of terrestrial ...

The Permian-Triassic extinction event, also known as the Great Dying, took place roughly 252 million years ago and was one of the most significant events in the history of our planet. It represents ...

During the "Great Dying" around 252 million years ago, approximately 80 percent of marine species disappeared from the face ...