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

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 ...

Not everything dies in a mass extinction. Sea life recovered in different and surprising ways after the asteroid strike 66 ...

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

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 ...

This week on 60 Minutes, correspondent Scott Pelley reports on something scientists are calling the sixth mass extinction. There have been five great die-offs in the history of our planet ...

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 ...

Known as the Great Dying, the mass extinction that ended the Permian geological period was the worst of the five global catastrophic events in Earth’s history, more devastating than the one ...

Here’s how it works. The worst mass extinction in Earth's history may have been caused by a supercharged El Niño cycle. New research suggests that an overload of carbon dioxide in the ...