A team led by a geophysicist in Italy now believes that about 90% of Earth’s fresh water ice may not be on solid ground after all.

Vast Hidden Structure Discovered Beneath Antartica: The massive formation is older than the continents

At the world's southernmost reaches, the land is buried under a layer of ice that can reach thousands of meters thick.

A team led by a geophysicist in Italy now believes that about 90% of Earth’s fresh water ice may not be on solid ground after all.