Almost all life on land and in the ocean was wiped out during "The Great Dying," a mass extinction event at the end of the Permian Era about 250 million years ago. New evidence suggests that the Great ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

Mass extinction sounds scary, but it’s basically nature’s biggest reset button. Throughout Earth’s history, there have been five major events where huge numbers of species disappeared quickly, and ...

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

The term “mass extinction” conjures up apocalyptic images of the world coming to an end, but a massive event like this can be a much slower process than many people realize. By definition, a mass ...

The idea of a creeping mass extinction has served as one of the scary subplots of our ongoing climate drama. For decades, scientists have warned that we may be on the cusp of, or already entering, the ...