global glaciation

Mars has Been Through Many Ice Ages in the Last Billion Years

Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As…

6 months ago

Did Snowball Earth Happen Because of a Sudden Drop in Sunlight?

Hundreds of millions of years ago, Earth went through two episodes of severe glaciation. These two episodes—the Sturtian and the…

12 months ago