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

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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 ...

Iridium is relatively rare in Earth's crust but is more abundant in stony meteorites, which led the Alvarezs to conclude that the mass extinction was caused by an extraterrestrial object.

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 ...

The current paper is intended to get the conversation started about how to conserve the planet's most endangered species, and mitigate the impact of the ongoing mass extinction, in an economically ...

Paleontologists recognize five big mass extinctions in the fossil record. At the end of the Ordovician period, about 443 million years ago, an estimated 86 percent of all marine species disappeared.

The research looked at peaks in biodiversity loss and their relationship with atmospheric CO2, finding 50 events over the last 534 million years that can be considered mass extinctions. When you ...

Their ancestors have survived two mass extinctions over 230 million years and scientists have uncovered a new secret to their evolutionary success and longevity. The prehistoric relics are ...