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

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

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. The explosive supernova deaths of ...

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 ...