The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

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 ...

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...

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 ...

The Huayuan biota fills a gap in the fossil record that has made it difficult to study recovery after the Sinsk event. With ...

Ancient sea organisms survived until a sudden extinction 550 million years ago, revealing what may be the first major mass ...

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 ...

(CNN) — Humans have wiped out more than 100 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 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 ...

Supernova destroying planet, illustration. A rocky planet lies in the wake of its star, which has just gone supernova. The explosion shatters the planet. A complete census of massive stars in our part ...

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 ...