About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived. On land ...

Some scientists have now branded the “Great Dying” as a “crisis on land, not an extinction” after new fossil discoveries led ...

Even during one of Earth's largest mass extinction events, where heat waves kill of a majority of Earth's species, at least ...

Get Instant Summarized Text (Gist) The Permian mass extinction, 252 million years ago, was linked to a 10°C rise in global temperatures due to massive volcanic CO 2 emissions. This led to climate ...