earth, giant impact hypothesis, great oxidation event, moon, permian extinction, permian mass extinction, snowball earth, theia

4 Worst Catastrophes Earth Has Survived

We all at some time or another think about life-changing catastrophes, but have you given much thought to Earth’s life-changing events? Most people have never heard of these catastrophes. 4 catastrophes that have happened to Earth 1. The Giant Impact Scientists think the Moon formed shortly after Earth around 4.5 billion years ago. A new ...

Troy Oakes

Artist's rendering of Earth and moon seen from space with a massive fireball aproaching.

Mass Extinction 252 Million Years Ago: Are We Due for Another One?

About 252 million years ago, a rise in global temperatures resulted in a massive mass extinction in Earth’s history called the Permian mass extinction. Almost 96 percent of marine animals and 70 percent of land animals perished. All this happened in just a few thousand years. Scientists warn that a similar fate might await us ...

Armin Auctor

A rise in global temperatures.

Permian Mass Extinction in South China Was Instantaneous in Geological Time

The most severe mass extinction in Earth’s history occurred with almost no early warning signs, according to a new study by scientists at MIT, China, and elsewhere. The end-Permian mass extinction, which took place 251.9 million years ago, killed off more than 96 percent of the planet’s marine species and 70 percent of its terrestrial ...

Troy Oakes