Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...

It is estimated that throughout the Earth's 4.5 billion-year existence, over 99% of the species inhabiting it have gone extinct. Many of these species died due to mass extinction events. Life on Earth ...

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 disappearance ...

The Late Devonian represents a critical interval in Earth’s history, marked by a profound restructuring of marine biodiversity and a series of mass extinction events. This period witnessed extensive ...

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 ...

Extinction is inevitable. Expected. Almost all (99%) species that have ever existed have died out. Those disappearances have largely occurred at consistent background rates. But in the context of mass ...

However, for extinctions caused by anthropogenic (human) impacts on the environment, there is some concern among scientists that more evolutionary history may be lost than in past extinction events.