Category: Astrobiology

Exploring the Cryogenian Earth: How Biodiversity Changed During a Time of Global Cooling

The Cryogenian Earth: A Brief Overview The Cryogenian was a period of global cooling on Earth that occurred between 850 and 635 million years ago. During this time, the Earth experienced a series of extreme glaciations that altered the global climate and had a significant impact on biodiversity. This period is important for the study