The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

A newly published review of 252-million-year-old fossils from southwest Germany is offering a deeper understanding of life’s ...

After the end-Permian mass extinction, certain species thrived in warmer, oxygen-depleted waters, spreading globally. This ...

Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...

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

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

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

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 ...

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

The end-Permian mass extinction ... extinction rate during the same period. This conclusion was based on the discovery of many "missing" species in Early Triassic strata elsewhere, indicating ...

The earliest periods, in the Permian, were cold, while the first period of the Triassic—the Induan—had a disturbed climate which the scientists couldn't identify. This could be caused by ...