Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of life on ...

Add Yahoo as a preferred source to see more of our stories on Google. Associate research specialist Alex Baer, left, and Jarmila Pittermann, a professor of plant biology, in the greenhouse at UC Santa ...

Add Yahoo as a preferred source to see more of our stories on Google. A skeleton of a Dodo. - Kirsty Wigglesworth/AP Humans have wiped out hundreds of species — with many more on the brink or ...

(CNN) — No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has engulfed the planet, killing off the vast majority of species from ...

A quarter of a billion years ago, long before dinosaurs or mammals evolved, the predator Dinogorgon, whose skull is shown here, hunted floodplains in the heart of today's South Africa. In less than a ...

Smithsonian researcher Sarah Johnson studies bison specimens to understand how the species’s genetic diversity changed after its decline Ashley D'Souza Postdoctoral researcher Sarah Johnson stands ...

Whether fermented into wine, dried into raisins or eaten cold straight from the refrigerator, grapes are a delicious fruit that humans have enjoyed for thousands of years. Now, new research suggests ...

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 ...