Scientists have long treated mass extinctions as events locked deep in the fossil record. That framing now feels less distant ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

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Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

Nearly all life that ever existed on Earth eventually disappeared. Five known mass extinctions wiped out up to 96 percent of species in sudden, catastrophic events. While mainstream science favored ...

Extinction rates are not spiraling upward as many believe, according to a large-scale study analyzing 500 years of data. Researchers found that species losses peaked about a century ago and have ...

This lineage was widespread and abundant in the Late Cretaceous, but just a few species survive today off the coasts of Australia. If you’re an animal living through a mass extinction, it’s best to be ...