How Animals May Have Conquered Snowball Earth | Hakai Magazine
NASA GISS: Research Features: "Snowball Earth" Might Have Been Slushy
Snowball Earth - (Yuhiro Tsujitsugu) - Science-fiction [TERRES DE LEGENDES, une librairie du réseau Canal BD]
When Earth was a Snowball | CNRS News
Geology Notes - The Snowball Earth hypothesis proposes that Earth's surface became entirely or nearly entirely frozen at least once, sometime earlier than 650 Mya (million years ago). The snowball Earth episodes