- Nature
- By Laura Sinpetru
- April 15th, 2015
Earth Was Once One Big Snowball, Ice Towering Over the Tropics and All
Study finds evidence that our entire planet froze and turned into one great big snowball several times in its history
- Nature
- By Lucian Parfeni
- March 9th, 2013
Even When the Earth Was Covered in Ice End to End, the Oceans Flowed Freely
New research shows that the snowball Earth saw plenty of activity
