The most famous of these mass extinction events — when an asteroid slammed into Earth 66 million years ago, dooming the dinosaurs and many other species — is also the most recent. But ...

Is the biosphere today on the verge of anything like the mass extinctions of the geological past? Could some equivalent of meteorite impacts or dramatic climate change be underway, as humankind's ...

The Cretaceous-Paleogene mass extinction, occurring approximately 66 million years ago, represents one of the most dramatic biotic crises in Earth’s history. It is marked by the abrupt ...

A chilling new assessment suggests our planet is hurtling towards an unprecedented loss of life, with human activity squarely ...

It comes from my absolute favorite mass-extinction event—yes, I have a favorite mass-extinction event—and holding it is like holding that extinction in my hand and touching the black process ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience ...