Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer than the rings of Saturn, and longer than most of the other life on ...

5 mass extinctions wiped out 65–96% of species on Earth, with major events including the Ordovician, Devonian, Permian, Triassic, and Cretaceous periods. Man empties piggy bank after 10 years—not ...

The explosive supernova deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. As some of ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...

A mass extinction event is a term used to describe a large-scale event that wipes out species. It is usually not a short, one-time incident but rather something that occurs over thousands or millions ...